Top similar games like Mainframe Defenders: Meltdown - Prologue:

A retro turn-based tactics game where you have to find the one simulation to save the earth from its impending death. Control your army of robots to fight TERRAs on their mission to destroy the last remaining chance of terrestrial life.

Crossed Command: Collision is a 2D pixel-art strategy game. You take charge of mighty mechs to defeat formidable foes, gathering new parts to assemble your own mechs and face even tougher enemies.

Rhea of the Remnant is a mech Tactical RPG in which you command a small number of allies to defeat a large number of enemies.

Bionic Dues is a tactical, turn-based roguelite with mech customization. Out-think wide-ranging tactical situations featuring robots with bad GPS, terrible aim, insecurity, a lack of focus, a tendency to backstab, and dozens of other maladies to exploit.

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A rapidly escalating Minesweeper-inspired roguelike. Gain upgrades, discover new mines, and progress further based on understanding and strategy. Can you avoid running out of probes and clear all the minefields?

Defend the Crystal Fortress and its people from invading forces in this blend of Turn-Based Tactical RPGs and Tower Defense. Summon the infantry, call out the archers, deploy turrets. Use all the available tools to keep the enemies at bay!

Experience the beginnings of Blacken Slash – a tactical roguelite RPG where the items you choose define your character. Create powerful builds from an abundance of loot as you try to save a corrupted retro computer system in bite-sized tactical puzzles.

"Toad tales" is a brutal mix of turn-based tactics and roguelike with RPG elements. You will encounter many different enemies, traps and dangers on your path to greatness. But being the greatest wouldn't make any sense without a challenge, would it?

Retro sci-fi tactical turn-based strategy with an exciting storyline. The Albatross space liner is overrun by lizard-like monsters that can infect humans and turn them into their own kind. Save the passengers and defeat the hostile creatures.

Develop your robot, combine abilities. Fight in turn-based tactical mode, effectively distributing energy. Overcome all difficulties and gain freedom.

Dungeon Croaker is a frog themed turn-based roguelike dungeon crawler. Navigate randomly generated dungeon floors, find and synergize relic effects, fight enemies with unique abilities, avoid dangerous environmental hazards, and defeat powerful dungeon bosses.

Death Tower is an overclocked roguelite tactical RPG. Survive each floor of the megastructure. Stealth, hacking, and devastating weapons. Do whatever it takes to fight your way to the top. Wake up, Ikarus!

A deckbuilding roguelike where you use and collect cards, explore 3 mysterious areas, and battle monsters. Collect powerful area-specific cards to deal massive damage to your opponents, and see if you can find your way through each level

Stellar Raiders is a turn-based tactics roguelike where you lead a crew of space pirates, raid enemy ships, and grab as much loot as you can before making your escape.

TURN-BASED TACTICS meets SNAKE: A new roguelike in the Genome Guardian universe. SPLICE DNA to create new units, enhance their genetics, and take on the Abyss virus once more in a variety of different modes & match types.

The Depths of Tolagal is an addictive roguelike dungeon crawler with an emphasis on tactical combat.

An experimental game. Simultaneous turn-based sci-fi combat. Simple controls, deep gameplay inspired by chess. Designed for randomised, 10 minute, low-stress, tactical matches to make you think. Play the first chapters and the arcade mode for free. Support development with feedback.

A turn-based tactics game with pixel graphics and procedurally generated levels with minesweeping mechanics. Dig through caves, collecting and managing resources, and fend off monsters in turn-based combat.

A tiny turn-based tactical... soulslike! Explore a twisty, interconnected world, battle enemies using a unique spin on a 'posture' system, and employ different combinations of upgrades to your advantage.

Turn the tide of the war with nuanced strategies in One-inch Tactics, introducing players to a unique turn-based strategy experience.

Super Robot Wars is a grid-based tactical combat RPG that brings units and pilots from a variety of anime together to battle their mutual foes. Rise, Unite, and Triumph!

Descendant is a 2D dungeon exploration game with roguelite elements and turn-based RPG combat. Controlling a team of 4 characters, the player explores a mysterious cave filled with dangerous enemies, mystical locations and unclaimed treasure.

Veil of the Witch is a roguelite strategy RPG with turn-based combat and branching progression. Set in the world of “Lost Eidolons,” build a nimble squad of five, pick your skills as you level, and adapt to each unique run. May the gods favor the bold and the wise.

Old schooled turn based tactics game. You have an army of warriors and a leader. Pick your leader, gather up your army and fight for your freedom. You have to decide carefully as you have finite amount of everything. Prove your value.

braverBOTS is a turn-based strategy game like no other. Assemble a team from your fleet of BOTS, battle and defeat opponents in short online matches, and become champion of the Galactic BOTS League.

Take command of humanity's last Mechs with a deck of cards, and control the hex-based gameboard to stop the spreading corruption. In this turn-based strategy game, each run is one continuous battle, so make every action count.

Face the interstellar Archangels in a turn-based tactical game with deckbuilding elements and destructible environment, where you pilot powerful mechs to save the Earth from destruction.

"Celestial Project" is a Roguelike WarChess game. It is the first game of the story "Celestial". Command the special operations forces, resist and study unknown alien creatures from space, defend the five starship civilization spacecraft under construction on earth, and retain human kindling!

Nyassembled! is a simultaneous turn-based tactical RPG with a plan-action system. Build your modular mechs, command electronic cats, and explore a procedurally generated world.

Build the mech to fight against robotic Vactics in tactical chess-like combat. The war is already over and the heroes of the city have fallen. Take on a new randomly generated challenge every time you play and join with the citizens to fight for a better future.

This is a roguelike game which is minimalist (crossed it out) which has no money for art. The player needs to play as a fleet commander, commanding the fleet to travel to a galaxy bathed in war, purifying the dangerous enemies entrenched in it, and saving your people from fire and water.