Single-player games like Viridian Corp.
Below are 8 single-player Steam games similar to Viridian Corp., ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Viridian Corp. page.
Ranked picks
- 1

The Fall of Aether Station
Single-player alternative to Viridian Corp. — playable solo, no multiplayer required. Shares Action and Strategy with Viridian Corp..
Customize your Ships, Upgrade your fleet, and Command your way to victory in this ruthless rogue-lite tower defense/real time strategy hybrid. Take on an enemy that learns from your moves and adjusts its own path. Do you have what it takes to persevere?
- 2

Killing Horizon
Single-player alternative to Viridian Corp. — playable solo, no multiplayer required. Shares Action and Strategy with Viridian Corp..
Killing Horizon is an online hybrid Real-Time Strategy/3rd Person/1st Person Shooting game where players can fight for control over large battlefields, gathering planetary resources to expand their faction's hold on the planet.
- 3

Hell Of War: Combined Arms
Single-player alternative to Viridian Corp. — playable solo, no multiplayer required. Shares Action and Strategy with Viridian Corp..
Hell Of War is a Real-Time Command Action (RTCA) game where you command the operation from a command drone, coordinate infantry, armored vehicles, combat drones, and artillery, then seamlessly take direct control of units to personally intervene in the battle.
- 4

SYNCHRONIZERS: UNDEAD MARINES
Single-player alternative to Viridian Corp. — playable solo, no multiplayer required. Shares Action and Strategy with Viridian Corp..
"SYNCHRONIZERS: UNDEAD MARINES" blends high-quality Three-Lane Tower Defense with Reverse Tower Defense gameplay. Command your units in a thrilling narrative reminiscent of a StarCraft and Plants Vs. Zombies fusion! Your choices will forge the path to victory—or defeat.
- 5

Line Of Defense Tactics - Tactical Advantage
Single-player alternative to Viridian Corp. — playable solo, no multiplayer required. Shares Action and Strategy with Viridian Corp..
A real-time strategy combat game based on the world of the Line Of Defense. Command a team of four Galactic Command marines in highly classified missions in space and on planets.
- 6

Door Kickers 2: Task Force North
Single-player alternative to Viridian Corp. — playable solo, no multiplayer required. Shares Action and Strategy with Viridian Corp..
Command military Special Ops Teams in gripping tactical combat against a Middle East-based terrorist network. Sequel to RockPaperShotgun's "Best Tactics Game of 2014".
- 7

Attack on Toys
Single-player alternative to Viridian Corp. — playable solo, no multiplayer required. Shares Action and Strategy with Viridian Corp..
Relive Your Childhood Toys comes to life! Build your Army Toys, make battle scenario, watch the Toys battling each other, and customize your play with Attack on Toys Toy Box. Command your Army Toys to fight againts another toys strategically and keep them alive during battle!
- 8

Crossfire: Legion
Single-player alternative to Viridian Corp. — playable solo, no multiplayer required. Shares Action and Strategy with Viridian Corp..
Crossfire: Legion is a real time strategy game featuring tactical action in furious battles across a shattered version of the near future. Raise and customize your army to engage in intense online combat and carve your own path as you rise through the ranks. It’s a new generation of warfare.