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Mainframe Defenders

in library

4.2/5

( 18 Reviews )

4.2

18 Reviews

English & 12 more
Offer ends on: 12/11/2025 15:59 EET
Offer ends in: d h m s
5.990.59
Lowest price in the last 30 days before discount: 0.59
Why buy on GOG.COM?
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Mainframe Defenders
Description
The free demo version of Mainframe Defenders is available on GOG.COM. You can download it here MAINFRAME DEFENDERS - tactical retrofuturistic strategy game. A computer virus has infiltrated the Stargazer research complex. Most of the robotic units are controlled by the virus. Lead a squad of 4 pr...
User reviews

4.2/5

( 18 Reviews )

4.2

18 Reviews

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Product details
2020, Synthetic Domain, ...
System requirements
Windows 7 or later, Intel Celeron, 2048 MB RAM, Version 10, 200 MB available space, Requires a 64-bi...
Time to beat
6.5 hMain
-- Main + Sides
-- Completionist
6.5 h All Styles
Description


The free demo version of Mainframe Defenders is available on GOG.COM. You can download it here



MAINFRAME DEFENDERS - tactical retrofuturistic strategy game. A computer virus has infiltrated the Stargazer research complex. Most of the robotic units are controlled by the virus. Lead a squad of 4 prototypes on a mission to defend complex mainframe. You'll have to repel assaults, destroy unit fabricators, download valuable data, clear infected nodes, and do more on your way to the deepest parts of the complex. Work with item limitations and drawbacks to build powerful combinations. Destroy your enemies with diverse tactics: overheat them, melt with corrosion, absorb damage, and return fire. But don't rely on a single strategy too much - enemies might have a way to counter it. But above everything else: defend the Mainframe!



  • RETRO STYLE: Graphics, inspired by 80s terminal PC with hybrid synthwave soundtrack.

  • DIVERSE TACTICS: Cook enemy robots to death, bury them under your bullets, eliminate with a single powerful shot, or render your opponents useless with debuffs - this game is designed with a lot of viable strategies in mind.

  • BUILD YOUR SQUAD: Similar to how in card games you have to build your deck, in Mainframe Defenders you have to combine different items with unique abilities, to create an unstoppable squad. Work with item drawbacks or double down on them, creating flawed, yet powerful build!

  • UNIQUE ENEMIES: Enemy squad won't sit idle, though. Each unit has its own role in the squad and designed to counter certain strategies. Pick your targets wisely, or you will lose.

  • PROCEDURAL LEVELS: Hand-made rooms are combined with procedural generation to create random levels. Missions have differing objectives, combined with unique mission conditions. Will you accept the challenge or avoid the unknown and risk falling behind?

  • PROGRESSION SYSTEM: Victory or defeat, the game is not over yet! Unlock new units, each with a unique set of upgrades and load-outs. Unlock new items to bolster your new strategies.



Synthetic Domain is a small team of hobbyists with a passion for making games. We are working with limited resources to deliver quality games focusing on polish and execution. We look at indie games, games from the 90s and 00s for our inspiration, hoping to bring some of the spirit of this era to the modern age.

System requirements
Minimum system requirements:
Why buy on GOG.COM?
DRM FREE. No activation or online connection required to play.
Safety and satisfaction. Stellar support 24/7 and full refunds up to 30 days.
Time to beat
6.5 hMain
-- Main + Sides
-- Completionist
6.5 h All Styles
Game details
Works on:
Windows (7, 8, 10, 11), Linux (Ubuntu 14.04, Ubuntu 16.04, Ubuntu 18.04, Ubuntu 20.04, Ubuntu 22.04)
Release date:
{{'2020-02-25T00:00:00+02:00' | date: 'longDate' : ' +0200 ' }}
Size:
127 MB

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User reviews

Posted on: January 25, 2023

Yolofessional

Verified owner

Games: 246 Reviews: 1

Very Fun

The game is simple. It plays pretty quick. But it is done so well. You can really tell the people who made it like to play video games. Hope to see more from them soon!


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Posted on: August 30, 2023

unmigo

Verified owner

Games: Reviews: 2

Good AI and balancing

Squad tactics roguelike. Simple rules but the really well done AI and balancing result in a challenging but not frustrating enjoyment. The map generation and weapons and attachments looting make the game a lot of replayable.


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Posted on: November 26, 2023

Zadok_Allen

Verified owner

Games: 140 Reviews: 8

An inspiring little gem!

Mainframe Defenders manages to be challenging and casual at the same time - by the virtue of simplicity. You've got four bots You can choose, those can be upgraded and equipped. You choose missions based on the reward, the mission type and relative difficulty. There's no epic story, no eye candy, no base building, no events between missions: just well balanced turn based tactics. It is a Roguelite. Maps are randomly generated and also differ based on mission type, but the style remains consistent in its simplicity. Destroyed bots can be repaired at a cost IF You finish the mission, else it is Game Over. Afterwards You can still unlock more of the ~190 items and 12x2 bots - which can indeed help beat the game. 5/5 "Very Hard" difficulty (with Upgradable Enemies) is not to be trifled with ;)


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Posted on: January 26, 2024

LoFi Enchilada

Verified owner

Games: 66 Reviews: 15

Good title with little staying power.

The premise is super simple: You select 4 units to make up your squad, and see how many missions you're able to clear before you're sent back to the main menu via squad wipe or completion of the final fight. The music is nice and the retro look, while it's stylish at first, can quickly become a detriment to the readability. Thankfully, the dev included a bunch of options to reduce or disable these effects. Now, the game has unlockables, and while they do spice up the rate at which you kill or die, it's pretty much always the same: Some units have weaknesses to certain attacks, just like you do. The issue is that the enemy variety is super tiny, and what really changes are the equipment combos they can use against you. More than damage and other stats, your main concern while choosing what to use will be heat generation. So, once you understand the meta, the gameplay gets repetitive as you mindlessly continue clearing levels, getting trivially incremental upgrades to your equipment. The complete lack in variety of visuals also hinders the experience... It's close to just being ASCII art to let you "imagine the stuff yourself". That being said, Mainframe Defenders is a nice time-killer that doesn't cheat nor tries to do anything crazy. It's just, a very simple, cost-effective, and fun experience as long as you set your expectations in the right place. You might not spend weeks playing this game, but it sure does generate a strange itch every once in a while that only this game can scratch.


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Posted on: May 4, 2025

Great Little Tactics Game

While there isn't a whole lot to this game, with the only replay value there is being attempting to beat the game with different teams and on higher difficulties, what's here is well done and polished. As far as the mechanics go it doesn't do anything too overly complicated, but there's still plenty of depth. You can equip up to 4 items on each of your mechs and they can range from weapons, to stat buffs, to adding special effects to the mech or other items it has equipped, and much more. The core appeal of the game is trying to make do with what you have available in the shop between missions or gain as mission rewards and set up powerful combos, and it does it well with a solid variety of items. Within the missions themselves there are a variety of different possible objectives, and the procedural generation works well enough to make things interesting. You'll find objects in the environment that affect nearby mechs in various ways or can be used to repair your units or get temporary upgrades. Most of these can also be destroyed with varying results on how it'll impact nearby units, so taking advantage of them to deal with enemies that often outnumber you can produce a lot of fun tactical scenarios. My main critique with the game is that the variety in missions is extremely limited. It only takes a few successful runs before things start getting repetitive and you've seen basically all it has to offer. There are no random events or side objectives to spice things up either. This is the main reason I'm giving it 4 stars, it's good, but it simply isn't super re-playable. It's hard to be upset about that though with how low the price is, you can still get at least a good dozen hours of fun out of it. Especially on sales, this game is excellent value and there's no real reason not to get it if you're even slightly into turn based tactics games. I got it for 90% off which translates to less than $1 and it honestly feels like I robbed the devs.


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