Single-player games like Crossfire: Legion
Below are 18 single-player Steam games similar to Crossfire: Legion, 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 Crossfire: Legion page.
Ranked picks
- 1

Eximius: Seize the Frontline
Single-player alternative to Crossfire: Legion — playable solo, no multiplayer required. Shares Action and Strategy with Crossfire: Legion.
EXIMIUS is a FPS/RTS hybrid that focuses on squad-based combat. The game features an intense 5v5 multiplayer experience with each team comprising of 4 Squad Officers and one Commander.
- 2

Tempest Rising
Single-player alternative to Crossfire: Legion — playable solo, no multiplayer required. Shares Action and Strategy with Crossfire: Legion.
Command distinct factions in a desperate struggle for power and resources in Tempest Rising - a classic RTS set on Earth after a nuclear war.
- 3

Act of Aggression - Reboot Edition
Single-player alternative to Crossfire: Legion — playable solo, no multiplayer required. Shares Strategy with Crossfire: Legion.
Act of Aggression – Reboot Edition brings the techno-thriller RTS game Act of Aggression to a higher level. The Reboot Edition offers a full gameplay overhaul in skirmish mode against the AI and in your multiplayer battles.
- 4

Stormgate
Single-player alternative to Crossfire: Legion — playable solo, no multiplayer required. Shares Action and Strategy with Crossfire: Legion.
Stormgate is a free-to-play real-time strategy game with a full single-player campaign, 3-player co-op, and PvP versus modes on over 60 maps. Our Editor is also freely available for you to craft just about any custom game mode you can imagine. Join our development journey today!
- 5

Company of Heroes 3
Single-player alternative to Crossfire: Legion — playable solo, no multiplayer required. Shares Action and Strategy with Crossfire: Legion.
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?
- 6

9-Bit Armies: A Bit Too Far
Single-player alternative to Crossfire: Legion — playable solo, no multiplayer required. Shares Action and Strategy with Crossfire: Legion.
Unleash voxel warfare in 9-Bit Armies: A Bit Too Far. Lead a modern military, build bases, unlock units, and attack in all-out war. Engage on land, sea and air in over two dozen missions, online skirmishes, or co-op. Easy to learn, a challenge to master.
- 7

Age of Empires IV: Anniversary Edition
Single-player alternative to Crossfire: Legion — playable solo, no multiplayer required. Shares Strategy with Crossfire: Legion.
Celebrating its first year of delighting millions of global players, the award-winning and best-selling strategy franchise continues with Age of Empires IV: Anniversary Edition, putting you at the center of even more epic historical battles that shaped the world.
- 8

Wargame: Red Dragon
Single-player alternative to Crossfire: Legion — playable solo, no multiplayer required. Shares Strategy with Crossfire: Legion.
The new reference in RTS at its best! The Wargame series returns to duty, larger, richer and more spectacular than ever before. In Wargame Red Dragon, you are engaged in a large-scale conflict where Western forces clash against the Communist bloc.
- 9

Command & Conquer: Red Alert 3 - Uprising
Single-player alternative to Crossfire: Legion — playable solo, no multiplayer required. Shares Action and Strategy with Crossfire: Legion.
Red Alert 3: Uprising features four new mini-campaigns, giving players a deeper dive into the storyline's of the Soviets, the Allies, the Empire of the Rising Sun and a unique campaign centered on the origins of everyone’s favorite psionic Japanese schoolgirl commando, Yuriko Omega.
- 10

守卫魔兽-Guardian of Warcraft
Single-player alternative to Crossfire: Legion — playable solo, no multiplayer required. Shares Action and Strategy with Crossfire: Legion.
This is a summoning tower defense strategy game, with different abilities of monsters and traps, with different effects. the player will continue to upgrade while defending, Become stronger, and summoning more powerful monsters to resist the brave.
- 11

Command & Conquer™ Generals
Single-player alternative to Crossfire: Legion — playable solo, no multiplayer required. Shares Action and Strategy with Crossfire: Legion.
Command & Conquer Generals puts your trigger finger on the pulse of modern warfare. Prepare your forces General... it's time to engage in the next generation of real-time strategy.
- 12

Escape the Backrooms
Single-player alternative to Crossfire: Legion — playable solo, no multiplayer required. Shares Action with Crossfire: Legion.
Escape the Backrooms is a 1-4 player co-op horror exploration game. Traverse 30+ eerie backrooms levels while avoiding entities and other dangers. Try to escape but be warned: survival isn't guaranteed.
- 13

Hardspace: Shipbreaker
Single-player alternative to Crossfire: Legion — playable solo, no multiplayer required.
Equipped with cutting-edge salvaging tech, carve & slice spaceships to recover valuable materials. Upgrade your gear to take on more lucrative contracts and pay your billion credits debt to LYNX Corp!
- 14

Homeworld: Deserts of Kharak
Single-player alternative to Crossfire: Legion — playable solo, no multiplayer required. Shares Strategy with Crossfire: Legion.
A ground-based RTS prequel to the classic Homeworld games. Assemble your fleet and lead them to victory on the shifting sands of Kharak in this compelling strategy game for PC from Blackbird Interactive.
- 15

Homeworld 3
Single-player alternative to Crossfire: Legion — playable solo, no multiplayer required. Shares Strategy with Crossfire: Legion.
Tactical, beautiful, and wholly unique, the GOTY-winning sci-fi RTS returns with Homeworld 3. Assume control and battle through fleet combat in dazzling, fully 3D space while the award-winning story unfolds on a galactic scale.
- 16

Minecraft Legends
Single-player alternative to Crossfire: Legion — playable solo, no multiplayer required. Shares Action and Strategy with Crossfire: Legion.
Discover the mysteries of Minecraft Legends, a new action strategy game. Explore a gentle land of rich resources and lush biomes on the brink of destruction. The ravaging piglins have arrived, and it’s up to you to inspire your allies and lead them in strategic battles to save the Overworld!
- 17

Ambrosia Sky: Act One
Single-player alternative to Crossfire: Legion — playable solo, no multiplayer required. Shares Action with Crossfire: Legion.
You left. Now they’re dead. Ambrosia Sky: Act One is an immersive sim about exploring an asteroid colony devastated by an unknown contamination. Survive and harvest strains of hostile alien fungi, explore treacherous environments, and find meaning and beauty in so much death—the first of two acts.
- 18

Project Eagle: A 3D Interactive Mars Base
Single-player alternative to Crossfire: Legion — playable solo, no multiplayer required.
An interactive art demo that showcases what a future base on Mars could look like. Project Eagle isn't a game - but an exploration of mankind's possible future.