Single-player games like 63 Days
Below are 18 single-player Steam games similar to 63 Days, 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 63 Days page.
Ranked picks
- 1
War Mongrels
Single-player alternative to 63 Days — playable solo, no multiplayer required. Shares Action and Strategy with 63 Days.
War Mongrels is an isometric real-time tactics game that takes place on the eastern front of World War II. Dynamic and tactical gameplay with stealth elements, tightly packed into a dark, fascinating story! Play on your own or in online co-op (PC).
- 2
Commandos: Origins
Single-player alternative to 63 Days — playable solo, no multiplayer required. Shares Strategy with 63 Days.
ALARM! You have been selected for a mission which will shape the fate of the entire world. Witness the very beginning of the legendary elite WWII force in Commandos: Origins. The long-awaited sequel to the Commandos series brings you right back to the foundation of the real-time tactics genre.
- 3
Commandos 3 - HD Remaster
Single-player alternative to 63 Days — playable solo, no multiplayer required. Shares Strategy with 63 Days.
Fall in, soldier! Commandos 3 - HD Remaster sends you to the relentless and unforgiving battlefields of Europe. Remastered in high definition including reworked 3D models and textures, improved controls and refined UI.
- 4
Steel Division: Normandy 44
Single-player alternative to 63 Days — playable solo, no multiplayer required. Shares Action and Strategy with 63 Days.
Steel Division: Normandy is a tactical real-time strategy (RTS) game that pits players against AI enemies in a single-player campaign -- or against several opponents in massive 10-on-10 multiplayer battles.
- 5
Men of War: Assault Squad 2
Single-player alternative to 63 Days — playable solo, no multiplayer required. Shares Action and Strategy with 63 Days.
Men of War: Assault Squad 2 expands the real-time tactics series with new skirmish missions, massive multiplayer battles, enhanced visuals, improved AI, and full Direct Control. Command five factions across 65 maps, 250 vehicles, and 200 soldiers in one of the most detailed WWII RTS experiences.
- 6
Commandos 2: Men of Courage
Single-player alternative to 63 Days — playable solo, no multiplayer required. Shares Strategy with 63 Days.
Commandos 2: Men of Courage is a tactical action/strategy game set against the backdrop of World War II. Take control of an elite group of commandos who must venture deep into enemy territory and utilize their combined expertise to complete a series of mission-based objectives.
- 7
Company of Heroes 3
Single-player alternative to 63 Days — playable solo, no multiplayer required. Shares Action and Strategy with 63 Days.
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?
- 8
Men of War™
Single-player alternative to 63 Days — playable solo, no multiplayer required. Shares Strategy with 63 Days.
Men of War is a stunning Real-Time Strategy game that takes place during the height of World War II. Intense battles span Europe and North Africa as gamers play as Soviet, Allied or German forces across 19 massive single-player missions.
- 9
Shadow Tactics: Blades of the Shogun
Single-player alternative to 63 Days — playable solo, no multiplayer required. Shares Strategy with 63 Days.
Shadow Tactics is a hardcore tactical stealth game set in Japan around the Edo period. A new Shogun seizes power over Japan and enforces nationwide peace. In his battle against conspiracy and rebellion, he recruits five specialists with extraordinary skills for assassination, sabotage and espionage.
- 10
Shadow Gambit: The Cursed Crew
Single-player alternative to 63 Days — playable solo, no multiplayer required. Shares Strategy with 63 Days.
Assemble your crew and set sail on an infamous ghost ship to sneak, stab, and spellcast your way through the Inquisition in this non-linear stealth strategy game. Chart a course, develop uncanny abilities, and use unconventional tactics to find a powerful pirate artifact!
- 11
Cavern Commandos
Single-player alternative to 63 Days — playable solo, no multiplayer required. Shares Action with 63 Days.
Inspired by classic platformers like Rick Dangerous, Cavern Commandos offers a challenging gaming experience with numerous weapons, hundreds of foes, and dozens of labyrinthine caverns.
- 12
Partisans 1941
Single-player alternative to 63 Days — playable solo, no multiplayer required. Shares Strategy with 63 Days.
Partisans 1941 is a real-time tactics game with stealth elements, set on the eastern front of WW II. As an army commander behind enemy lines you gather a group of Partisans to wage guerilla warfare against the German occupants.
- 13
Desperados III
Single-player alternative to 63 Days — playable solo, no multiplayer required. Shares Strategy with 63 Days.
Desperados III is a story-driven, hardcore tactical stealth game, set in a ruthless Wild West scenario. Play smart if you want to succeed. A good plan can make the difference between survival and finding yourself at the business end of a pistol.
- 14
Hatred
Single-player alternative to 63 Days — playable solo, no multiplayer required. Shares Action with 63 Days.
Hatred is a violent twin-stick shooter, in which you take the role of The Antagonist fighting against all of humanity.
- 15
Ancestors Legacy
Single-player alternative to 63 Days — playable solo, no multiplayer required. Shares Strategy with 63 Days.
Ancestors Legacy is a squad-based real time strategy with a strong focus on tactics. Inspired by medieval European history, it brings to life four different nations and their conflicts, usually solved by war.
- 16
IS Defense
Single-player alternative to 63 Days — playable solo, no multiplayer required. Shares Action with 63 Days.
„IS Defense” is a game set in politically-fictional 2020 – where the expansion of ISIS went out of hand. The player takes the role of NATO’s stationary machine-gun operator, deployed to defend the shores of Europe.
- 17
Ancestors Legacy Free Peasant Edition
Single-player alternative to 63 Days — playable solo, no multiplayer required. Shares Strategy with 63 Days.
Ancestors Legacy Free Peasant Edition represents a part of the full product. Get a taste of medieval battles in this free version of the acclaimed historical RTS! 4 SP missions and 17 MP maps are now available to everyone. Challenge friends, AI, or take part in our League that will start in March!
- 18
Stormbinders
Single-player alternative to 63 Days — playable solo, no multiplayer required. Shares Strategy with 63 Days.
Stormbinders is a turn-based strategy game with a unique fantasy setting. Classic tactical gameplay meets a new level of strategic depth in a battle for survival against chaotic magic storms.