Single-player games like 4Line
Below are 8 single-player Steam games similar to 4Line, 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 4Line page.
Ranked picks
- 1
Safe
Single-player alternative to 4Line — playable solo, no multiplayer required. Shares Strategy with 4Line.
By default, the safe is locked with a digital code. Your task is to collect all digital codes to solve the puzzle and when all the codes are collected then the safe will be opened to get its contents.
- 2
Paper Flags
Single-player alternative to 4Line — playable solo, no multiplayer required. Shares Strategy with 4Line.
A two-player abstract strategy game on a 9×9 board. Fold your pieces to advance diagonally. Unfold them into flags — moving like rooks across rank and file. Plant three flags on your opponent's back row, or cut their forces to three.
- 3
Cyber Complex
Single-player alternative to 4Line — playable solo, no multiplayer required. Shares Action and Strategy with 4Line.
Cyber Complex is a unique mix of Action, Strategy and Arcade elements in a 60s-style Sci-Fi setting.
- 4
Wargame: Airland Battle
Single-player alternative to 4Line — playable solo, no multiplayer required. Shares Strategy with 4Line.
2 SIDES, 12 NATIONS, 750 UNITS: THE STRATEGY GAME REFERENCE IS BACK! Richer, more beautiful and more accessible, Wargame AirLand Battle is the sequel to the explosive real-time strategy game Wargame European Escalation! 1985.
- 5
S.W.I.N.E. HD Remaster
Single-player alternative to 4Line — playable solo, no multiplayer required. Shares Strategy with 4Line.
S.W.I.N.E. HD Remaster is the new edition of the challenging classic strategy game S.W.I.N.E! The filthiest of all wars between the Rabbit and the Pig armies is a sophisticated real-time strategy with completely revised textures, detailed unit models, a 16:9 adapted interface.
- 6
Wargame: Red Dragon
Single-player alternative to 4Line — playable solo, no multiplayer required. Shares Strategy with 4Line.
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.
- 7
The Red Solstice
Single-player alternative to 4Line — playable solo, no multiplayer required. Shares Strategy with 4Line.
2280 A.D. The last few survivors of a ruined Earth seek a new home: Mars, a planet whose inhabitants didn't take too kindly to outsiders. The Red Solstice is a tense, tactical, squad-based action game. Fight to survive with up to 8 players in co-op, or lead your own squad in single-player mode.
- 8
DRAGON BALL FighterZ
Single-player alternative to 4Line — playable solo, no multiplayer required. Shares Action with 4Line.
DRAGON BALL FighterZ is born from what makes the DRAGON BALL series so loved and famous: endless spectacular fights with its all-powerful fighters.