New all-time high discounts from the Raw Fury publisher sale,
valid till May 27th:

Kathy Rain — 0.99€  (90% off, was 80% before)

Star Renegades — 4.29€  (83% off, was 80% before)
Star Renegades Deluxe Edition (pack) — 5.09€  (83% off, was 80% before)
Star Renegades Soundtrack (dlc) — 0.99€  (83% off, was 75% before)

Atomicrops — 2.99€  (80% off, was 75/80% before**) # repeat (Apr.'24)
Atomicrops Deluxe Edition (pack) — 3.99€  (80% off, was 75% before)
Atomicrops Deluxe Edition + DLC (pack) — 4.43€  (80% off, was 70% before)
Atomicrops Soundtrack (dlc) — 2.09€  (70% off, was 60% before)
Atomicrops: Reap What You Crow (dlc) — 1.59€  (60% off, was 50/60% before**) # repeat (Apr.'24)
Atomicrops: Deerly Beloved (dlc) — 2.49€  (50% off, was 40% before)

Call of the Sea — 4.99€  (75% off, was 70% before)
Call of the Sea Deluxe Edition (pack) — 7.49€  (70% off, was 65% before)
Call of the Sea Original Soundtrack (dlc) — 2.39€  (60% off, was 55% before)

Per Aspera — 7.49€  (75% off, was 70% before)
Per Aspera Deluxe Edition (pack) — 8.29€  (75% off, was 60% before)
Per Aspera Original Soundtrack (dlc) — 2.09€  (70% off, was 65% before)
Per Aspera - Blue Mars (dlc) — 1.85€  (70% off, was 50% before)

The Longest Road on Earth — 2.49€  (75% off, was 70% before)
The Longest Road on Earth Backstage Edition (dlc) — 2.49€  (65% off, was 60/65% before**) # repeat (Apr.'24)
The Longest Road on Earth Soundtrack by Beicoli (dlc) — 2.49€  (65% off, was 60/65% before**) # repeat (Apr.'24)

Wolfstride — 3.29€  (75% off, was 70% before)
Wolfstride Golden God Edition (pack) — 4.50€  (75% off, was 70% before)
Kathy Rain: Director's Cut Deluxe Edition (pack) — 5.59€  (70% off, was 65% before)
Kathy Rain: Directors Cut — 4.50€  (70% off, was 65% before)
Flat Eye — 7.59€  (60% off, was 50% before)
Pizza Possum — 3.58€  (50% off, was 40% before)
Star Trucker — 15.99€  (35% off, was 30% before)
Star Trucker - Heavy Duty Pack (dlc) — 2.39€  (20% off, was 13/15% before)

# DLCs only
Moonstone Island Cozy Comforts DLC Pack (dlc) — 2.39€  (40% off, was 35% before)
Moonstone Island Decor Galore DLC Pack (dlc) — 2.39€  (40% off, was 35% before)
Moonstone Island Designed for Lovers DLC Pack (dlc) — 2.39€  (40% off, was 35% before)
Moonstone Island Eerie Items DLC Pack (dlc) — 2.39€  (40% off, was 35% before)
Moonstone Island: Arcane Artifacts DLC Pack (dlc) — 2.39€  (40% off, was 35% before)
Moonstone Island: Chef's Kiss DLC Pack (dlc) — 2.39€  (40% off, was 35% before)
Moonstone Island Soundtrack (dlc) — 3.89€  (40% off, was 35% before)
Moonstone Island Art Book (dlc) — 2.69€  (40% off, was 35% before)
Moonstone Island: Autumnal Accessories DLC Pack (dlc) — 2.59€  (35% off, was 30% before)

White Shadows: now -94%; previous high was -90%; Part of Platformer Promo; Offer ends on: 28/05/2025 09:59 EEST

From the "Feeling Old Yet" promo,
valid till May 27th:

# hmm... nothing? :-(

 
 
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New all-time high discounts from the "First Person Perspective" promo,
valid till May 28th:

Chernobylite — 5.99€  (80% off, was 75% before)
Chernobylite - Black Smoke Pack (dlc) — 0.99€  (75% off, was 40% before)
Chernobylite Digital Artbook (dlc) — 1.29€  (75% off, was 67% before)
Chernobylite - Autumn Dread Pack (dlc) — 0.89€  (73/75% off, was 67% before)
Chernobylite Charity Pack — 0.89€  (73/75% off, was 67% before)
Chernobylite Deadly Frost Pack (dlc) — 0.89€  (73/75% off, was 67% before)
Chernobylite White Rose Pack (dlc) — 0.89€  (73/75% off, was 67% before)

EVERSPACE 2 — 15.00€  (70% off, was 65% before)
EVERSPACE 2 - Titans (dlc) — 9.00€  (25% off AND 20% reduced base price, effectively 40% off, was 25% before)
Colossal Cave (pack) — 8.59€  (65% off, was 60% before)
Colossal Cave VR — 6.89€  (65% off, was 60% before)
Crash Time - Undercover — 8.99€  (40% off, was 35% before)
Don't Be Afraid 2 — 9.96€  (40% off, was 35% before)
Star Explorers — 2.99€  (40% off, was 30/40% before**) # returns to previous best price of Apr.2024 and before
Massacre At The Mirage — 8.39€  (33% off, was 30% before)

# DLCs only
The Riven Companion (dlc) — 5.89€  (40% off, was 30% before)

# NSFW
Subverse (NSFW) — 15.59€  (60% off, was 57% before)

 
 
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New all-time high discounts from the "Platformer Games" promo,
valid till May 28th:

LIMBO — 0.99€  (90% off, was 75% before)
My Friend Pedro — 3.39€  (80% off, was 75% before)
Slave Zero — 1.79€  (75% off, was 70% before)
CONVERGENCE: A League of Legends Story — 9.00€  (70% off, was 60% before)
Hextech Mayhem: A League of Legends Story — 2.69€  (70% off, was 60% before)
Tin Hearts — 5.99€  (70% off, was 65% before)

Planet of Lana — 8.99€  (55% off, was 50% before)
Llamasoft: The Jeff Minter Story — 14.49€  (50% off, was 45% before)
Speedollama — 4.50€  (50% off, was 30% before)
Speedollama - Game, Art and Music (pack) — 7.09€  (50% off, was 40% before)
Speedollama - Art (dlc) — 1.49€  (50% off, was 38/40% before)
Speedollama - Soundtrack (dlc) — 1.99€  (50% off, was 40% before)

Zapper: One Wicked Cricket! — 3.79€  (45% off, was 40% before)
Bread ＆ Fred — 8.89€  (40% off, was 35% before)
Volgarr the Viking II — 11.69€  (40% off, was 35% before)
Volgarr the Viking I ＆ II Bundle (pack) — 14.69€  (40% off, was 35% before)
Slave Zero X — 15.99€  (35% off, was 30% before)
Slave Zero X Digital Deluxe Edition (pack) — 18.89€  (35% off, was 30% before)
Slave Zero X Deluxe Upgrade (dlc) — 2.98€  (35% off, was 30% before)
Webbed — 5.79€  (30% off, was 25/30% before**) # first repeat (May '24)

Thanks for posting these deals! I just purchased two ATH games that I did not know I wanted! xD

New all-time high discounts from the "Git Gud" promo,
valid till May 29th:

SteamWorld Dig 2 — 1.85€  (91% off, was 90% before)
INSIDE — 1.99€  (90% off, was 75% before)
Space Crew: Legendary Edition — 3.79€  (85% off, was 80% before)
Bibots — 3.29€  (75% off, was 70% before)
Ziggurat 2 — 7.49€  (66% off, was 65% before)
PowerSlave Exhumed — 5.89€  (65% off, was 60% before)
Mark of the Deep — 15.59€  (20% off AND 33% reduced base price, effectively 46% off, was 20% before)
Stories from the Outbreak — 11.99€  (40% off, was 33% before)
PolarityFlow's Metroidvania Bundle (pack) — 15.29€  (40% off, was 36% before)
Crown of Pain — 3.29€  (35% off, was 25% before)
Beyond the Ice Palace 2 — 16.99€  (15% off, was 10% before)

 
 
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New all-time high discounts from the "Warhammer Skulls 2025" promo,
valid till May 29th:

Inferno - Beyond the 7th Circle — 1.39€  (90% off, was 60/65/80% before)
Warhammer 40,000: Dawn of War II - Anniversary Edition (pack) — 9.00€  (80% off, was 75% before)
Warhammer 40,000: Boltgun — 11.00€  (50% off, was 40% before)

# DLCs only
Warhammer 40,000: Rogue Trader - Season Pass (dlc) — 14.49€  (50% off, was 45% before)
Warhammer 40,000: Rogue Trader - Voidfarer Pack (dlc) — 2.49€  (50% off, was 45% before)
Warhammer 40,000: Rogue Trader - Void Shadows (dlc) — 13.19€  (25% off, was 20% before)
Warhammer 40,000: Battlesector - Astra Militarum (dlc) — 11.09€  (25% off, was 10% before)
Warhammer 40,000: Gladius - Demolition Pack (dlc) — 7.29€  (25% off, was 15% before)
Warhammer 40,000: Gladius - Ultima Founding (dlc) — 7.29€  (25% off, was 10% before)

 
 
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New all-time high discounts from the current "Weekly" sale,
valid till May 29th / 30th:

The Tale of Bistun — 5.59€  (63% off, was 60% before)
The Journey of AutUmn — 9.49€  (40% off, was 30% before)
Duck Detective: The Secret Salami — 6.79€  (30% off, was 20% before)
Rosewater — 15.59€  (20% off, not on sale before)

 
 
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New all-time high discounts from the Neon Doctrine publisher sale,
valid till May 31st:

My Lovely Empress — 7.79€  (60% off, was 50% before)
My Lovely Wife — 5.99€  (60% off, was 50% before)
My Lovely Wife Deluxe Edition (pack) — 9.99€  (60% off, was 50% before)
My Lovely Wife - Artbook (dlc) — 2.39€  (60% off, was 50% before)
My Lovely Wife Soundtrack (dlc) — 3.19€  (60% off, was 50% before)

 
 
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New all-time high discounts from the "Time Travelling" promo,
valid till June 2nd:

Kane ＆ Lynch 2: Dog Days - Complete Edition — 3.19€  (85% off, was 80% before)
Mafia: Definitive Edition — 5.99€  (85% off, was 80% before)
Mafia II: Definitive Edition (pack) — 5.99€  (80% off, was 75/85% before**) # for reference, no new best, was -85% in 2023
Mafia III: Definitive Edition — 5.99€  (80% off, was 75% before)
Mafia Trilogy (2021, Definitive Editions) (pack) — 11.99€  (80% off, was 75% before)
Have a N.I.C.E. day! — 1.59€  (80% off, was 75% before)
Notch - The Innocent LunA: Eclipsed SinnerS — 2.49€  (75% off, was 65/70% before)
Army Men — 1.39€  (75% off, was 50% before)
Army Men RTS — 1.39€  (75% off, was 50/70% before)
Army Men: Toys In Space — 1.39€  (75% off, was 50/70% before)
Tennis Antics — 2.29€  (23/25% off) # first repeat (Mar.'25)

New all-time high discounts from the "Loot Drop" promo,
valid till June 3rd:

Song of Farca — 2.99€  (85% off, was 80% before)
Tales of the Neon Sea — 2.09€  (85% off, was 80% before)
Kona II: Brume — 5.99€  (80% off, was 70% before)
Tumblestone — 4.59€  (80% off, was 75% before)
Yet Another Fantasy Title (YAFT) — 4.99€  (75% off, was 70% before)
Mask of the Rose — 7.79€  (60% off, was 50% before)

CLeM — 7.96€  (50% off, was 40% before)
Sticky Business — 4.99€  (50% off, was 40% before)
Sticky Business: Camp Zinnias (dlc) — 2.99€  (25% off, was 20% before)
Sticky Business: Plan With Me (dlc) — 2.99€  (25% off, was 20% before)
The Will of Arthur Flabbington — 5.89€  (50% off, was 40% before)
Cats Love Boxes — 1.99€  (50% off, was 40% before)
Freshly Frosted — 4.49€  (45% off, was 35% before)

Cats Hidden in Georgia — 0.69€  (30% off, was 25% before)
The Coma 2B: Catacomb — 10.49€  (30% off, was 25% before)
The Coma 2B: Catacomb Deluxe Edition (pack) — 17.29€  (30% off, was 25% before)
The Coma 2B: Catacomb - The Child of Destiny Skin (dlc) — 1.49€  (25% off, was 20% before)
The Coma 2B: Catacomb - The Gamer Skin (dlc) — 1.49€  (25% off, was 20% before)
The Coma 2B: Catacomb - The Survivalist Skin (dlc) — 1.49€  (25% off, was 20% before)

Coridden — 14.99€  (25% off, was 20% before)
Coridden - Digital Bestiary (dlc) — 3.29€  (35% off, was 24% before)
Coridden - Original Soundtrack (dlc) — 3.29€  (35% off, was 24% before)
Citizen Sleeper 2: Starward Vector — 19.59€  (20% off, was 10% before)
Citizen Sleeper 2 - The Sleeper's Sketchbook (dlc) — 3.99€  (20% off, was 10% before)

# Not Safe For Work
Three kingdoms story: Conussia (NSFW) — 2.39€  (58/60% off, was 50/52% before)
Three kingdoms story: Conussia - Complete rework (dlc) (NSFW) — 2.39€  (58/60% off, was 50/52% before)
The Imperial Gatekeeper (NSFW) — 7.09€  (35% off, was 25% before)
Under Contract (NSFW) — 6.19€  (25% off, was 20% before)

# DLC only
Everdream Valley - Family Time DLC (dlc) — 4.50€  (50% off, was 35% before)

 
 
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New all-time high discounts from the "Managerial" games promo,
valid till June 3rd:

Imperator: Rome (pack) — 7.59€  (81% off, was 70/80% before)
Train Valley 2 — 2.49€  (80% off, was 75% before)
Urbek City Builder — 4.79€  (70% off, was 65% before)
ICBM — 8.39€  (50% off, was 40% before)
Fireside — 8.89€  (40% off, was 30% before)
Frostpunk 2 — 29.29€  (35% off, was 30% before)
Frostpunk 2 - Deluxe Edition (pack) — 52.49€  (30% off, was 25% before)

# Not Safe For Work
Leap of Love (NSFW) — 2.49€  (80% off, was 75% before)

# DLCs only
City of Gangsters Deluxe Edition Upgrade (dlc) — 2.29€  (55% off, was 50% before)
City of Gangsters: Atlantic City (dlc) — 2.69€  (55% off, was 50% before)
City of Gangsters: Criminal Record (dlc) — 2.69€  (55% off, was 50% before)
Reus 2 - Supporter Pack (dlc) — 6.29€  (20% off, was 10% before)

New all-time high discounts from the "Turn-based" games promo,
valid till June 4th:

Tower of Time — 1.69€  (92% off, was 90% before)
I am not a Monster: First Contact — 0.89€  (90% off, was 85% before)
Massive Chalice — 1.99€  (90% off, was 80% before)
Mato Anomalies — 2.99€  (80% off, was 60% before)
Showgunners — 8.69€  (70% off, was 65% before)
Wartales — 17.50€  (50% off, was 45% before)
Wartales - The Official Soundtrack (dlc) — 4.29€  (15% off, was 10% before)
Overboss — 7.19€  (40% off, was 35% before)
Quilts and Cats of Calico — 13.99€  (30% off, was 20% before)

# Not Safe For Work
Ambrosia (NSFW) — 7.49€  (40% off, was 25% before)

# DLC only
Zoria: Age of Shattering - Ancestors' Weapon Pack (dlc) — 2.99€  (40% off, was 35% before)

 
 
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New all-time high discounts from the "Post Apo" promo,
valid till June 4th:

ATOM RPG: Post-apocalyptic indie game — 2.99€  (80% off, was 70% before)
ATOM RPG - Supporter Pack (dlc) — 1.19€  (70% off, was 60% before)
ATOM RPG: Trudograd — 2.19€  (80% off, was 70% before)
Atom RPG: Trudograd - Supporter Pack (dlc) — 0.99€  (80% off, was 60% before)
Atom RPG: Trudograd - War Supply Pack (dlc) — 0.79€  (80% off, was 60% before)
Gori: Cuddly Carnage — 11.00€  (50% off, was 45% before)
Roboquest Deluxe Edition (pack) — 16.54€  (45% off, was 40% before)

Discounted for the first time after release:
Croc Legend of the Gobbos (Package includes remake and classic); now -25%; highest was -0%; Offer ends on: 12/06/2025 00:59 EEST

Massive Chalice 90% off .

UNDETECTED: 69% off, 3.89 €.

New all-time high discounts from the current "Weekly" sale,
valid till June 4th / 5th:

Jusant — 11.29€  (55% off, was 50% before)
Cryptmaster — 18.39€  (25% off, was 20% before)
Cryptmaster Artbook (dlc) — 1.39€  (26% off, was 21% before)
Cryptmaster Soundtrack (dlc) — 7.29€  (25% off, was 20% before)
Cabernet — 15.59€  (20% off, was 15% before)
Cabernet Deluxe Edition (pack) — 21.19€  (20% off, was 15% before)
Cabernet Artbook (dlc) — 2.39€  (20% off, was 13% before)
Cabernet Soundtrack (dlc) — 5.49€  (20% off, was 15% before)

# Not Safe For Work ™
Pray Game (NSFW) — 17.19€  (30% off, was 20% before)

 
 
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New all-time high discounts from the Atari publisher sale,
valid till June 9th:

Crusade in Europe — 1.19€  (80% off, was 75% before)
Head Over Heels — 1.69€  (80% off, was 75% before)
Centipede: Recharged — 2.69€  (70% off, was 65% before)
Yars Recharged — 2.69€  (70% off, was 65% before)
Atari Recharged Bundle (pack) — 18.79€  (65% off, was 60% before)
Flight of the Intruder — 2.39€  (65% off, was 60% before)
Lightspeed — 3.49€  (50% off, was 45% before)
qomp2 — 9.79€  (50% off, was 45% before)
The Making of Karateka — 8.99€  (50% off, was 45% before)

Gunship + Gunship 2000 — 5.39€  (45% off, was 40% before)
Hardball + Hardball 2 — 5.39€  (45% off, was 40% before)
PO'ed: Definitive Edition — 10.79€  (45% off, was 40% before)
Volgarr the Viking I ＆ II Bundle (pack) — 13.49€  (45% off, was 40% before)
Volgarr the Viking II — 10.79€  (45% off, was 40% before)
Weird Dreams — 3.79€  (45% off, was 40% before)
Digital Eclipse Bundle (pack) — 24.77€  (40% off, was 35% before)
Tetris Forever — 23.79€  (30% off, was 25% before)

 
 
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New all-time high discounts from the Retrovibe publisher sale,
valid till June 11th:

Project Warlock II — 8.00€  (50% off, was 40% before)

 
 
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Other ATH discounts,
valid till June 5th:

Astral Ascent — 12.29€  (50% off, was 40% before)
Astral Ascent - Yamat the Breach Traveler (dlc) — 3.79€  (25% off, was 20% before)

New all-time high discounts from the Revolution Software publisher sale,
valid till June 7th:

Beyond a Steel Sky — 3.00€  (90% off, was 85% before)
Beyond a Steel Sky Soundtrack (dlc) — 0.69€  (90% off, was 80% before)
Broken Sword 2: Remastered (2010) — 0.59€  (90% off, was 85% before)
Broken Sword 3: The Sleeping Dragon (2003) — 0.59€  (90% off, was 85% before)
Broken Sword 4: The Angel of Death (2006) — 0.59€  (90% off, was 85% before)
Broken Sword 5 - the Serpent's Curse (pack) — 2.29€  (90% off, was 85% before)
In Cold Blood (2000) — 0.59€  (90% off, was 85% before)

Broken Sword - Shadow of the Templars: Reforged — 19.51€  (35% off, was 25% before)

 
 
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New all-time high discounts from the KEMCO publisher sale,
valid till June 7th:

Journey to Kreisia — 7.49€  (50% off, was 35% before)
METRO QUESTER — 9.79€  (50% off, was 40% before)
METRO QUESTER : OSAKA — 11.69€  (40% off, was 35% before)
Matsuro Palette — 5.99€  (40% off, was 35% before)

 
 
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Other ATH discounts,
valid till June 12th:

Union of Gnomes — 9.69€  (35% off, was 10% before)

The Dungeon Of Naheulbeuk: Back To The Futon - 60% off ($5.99 base price) vs. 55% ($6.74) previous best
The Dungeon Of Naheulbeuk: Ruins Of Limis - 70% ($2.99) vs. 65% ($3.49)

The Black Within -90% (not sure about a previous best discount)

Thanks for the hint! Seems to have been off up to 80% before.