Single-player games like GRID DEFENSE: GRID WAR
Below are 8 single-player Steam games similar to GRID DEFENSE: GRID WAR, 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 GRID DEFENSE: GRID WAR page.
Ranked picks
- 1

Monsters are Coming!
Single-player alternative to GRID DEFENSE: GRID WAR — playable solo, no multiplayer required. Shares Strategy and Indie with GRID DEFENSE: GRID WAR.
Beware, Monsters are Coming! In this Tower-Survivor rogue-lite, you protect an ever-moving city from unrelenting hordes. Gather resources, fortify defences, and survive for as long as you can. Will you reach the Ark?
- 2

AI War 2
Single-player alternative to GRID DEFENSE: GRID WAR — playable solo, no multiplayer required. Shares Strategy and Indie with GRID DEFENSE: GRID WAR.
The most devious and acclaimed artificial intelligence in strategy gaming is better than ever. A grand strategy/RTS hybrid that reverses many conventions of both genres. Take territory without attracting attention, build your empire with care, and adapt to an ever-evolving galactic battleground.
- 3

Company of Heroes 3
Single-player alternative to GRID DEFENSE: GRID WAR — playable solo, no multiplayer required. Shares Strategy with GRID DEFENSE: GRID WAR.
Company of Heroes 3 combines heart-pounding combat with deeper strategic choices in a stunning Mediterranean theatre of war. In Company of Heroes 3, every battle tells a story...what's yours?
- 4

Door Kickers 2: Task Force North
Single-player alternative to GRID DEFENSE: GRID WAR — playable solo, no multiplayer required. Shares Strategy and Indie with GRID DEFENSE: GRID WAR.
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".
- 5

Calyx
Single-player alternative to GRID DEFENSE: GRID WAR — playable solo, no multiplayer required. Shares Strategy with GRID DEFENSE: GRID WAR.
A strategy game with a new kind of enemy, Calyx puts you in charge of a space mining outpost, locked in battle against powerful plant-aliens. Build your base, gather resources, assemble your forces, and take on the Calyx. With only an out-of-date AI for company, can you survive?
- 6

Taur
Single-player alternative to GRID DEFENSE: GRID WAR — playable solo, no multiplayer required. Shares Strategy and Indie with GRID DEFENSE: GRID WAR.
Taur is an action-strategy sci-fi game. Control the Prime Cannon and unlock all of its powerful weapons and abilities. Build turrets, droids, aircraft and more as you fight to protect the homeworld of the Tauron droids against a relentless invasion. Will your Taur stand against the Imperion warmachine?
- 7

Atom Zombie Smasher
Single-player alternative to GRID DEFENSE: GRID WAR — playable solo, no multiplayer required. Shares Strategy and Indie with GRID DEFENSE: GRID WAR.
The zombie apocalypse is upon us and it's up to you to evacuate everyone before they fall prey to the undead. Conduct massive rescue operations with a helping hand from snipers, artillery crews, orbital bombardments, and more.
- 8

ENDLESS™ Dungeon - Definitive Edition
Single-player alternative to GRID DEFENSE: GRID WAR — playable solo, no multiplayer required. Shares Strategy with GRID DEFENSE: GRID WAR.
ENDLESS™ Dungeon is a Rogue-lite Tactical Action game, set in the award-winning ENDLESS™ Universe. Recruit a team of shipwrecked heroes, plunge into a long-abandoned space station, and protect your crystal against never-ending waves of monsters… or die trying, get reloaded, and try again.