Single-player games like Check Your 6!
Below are 15 single-player Steam games similar to Check Your 6!, 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 Check Your 6! page.
Ranked picks
- 1

Panzer Corps 2
Single-player alternative to Check Your 6! — playable solo, no multiplayer required. Shares Strategy with Check Your 6!.
Panzer Corps 2 is the ultimate Second World War strategy game! Enjoy the time-proven gameplay formula which has been appreciated by millions of players over the years, brought to a whole new level of refinement up to the latest technical standards.
- 2

Sid Meier’s Ace Patrol: Pacific Skies
Single-player alternative to Check Your 6! — playable solo, no multiplayer required. Shares Strategy with Check Your 6!.
Battle to Rule the Pacific Skies!Take flight over the treacherous Pacific waters where ace pilots redefine historic World War II battles! Skillfully pilot the most iconic American and Japanese fighter planes of the Pacific War while representing the army or navy.
- 3

Unity of Command II
Single-player alternative to Check Your 6! — playable solo, no multiplayer required. Shares Strategy with Check Your 6!.
Unity of Command II is the sequel to one of the most critically acclaimed strategy games of all time; a game critics called 'the perfect gateway' into computer war games.
- 4

Valor & Victory
Single-player alternative to Check Your 6! — playable solo, no multiplayer required. Shares Strategy with Check Your 6!.
Valor & Victory is a fast-playing, easy to learn World War II squad-level game system. Based on the original Valor & Victory board game, the digital edition provides you with an accessible and deep challenge, developed for classic tabletop game lovers.
- 5

Order of Battle: World War II
Single-player alternative to Check Your 6! — playable solo, no multiplayer required. Shares Strategy with Check Your 6!.
Order of Battle: World War II is a breath of fresh air for all strategy fans. It is a game that takes wargaming to a new level by upgrading every single game element and rebooting the genre for a new generation of players.
- 6

Hex of Steel
Single-player alternative to Check Your 6! — playable solo, no multiplayer required. Shares Strategy with Check Your 6!.
Hex of Steel is a refreshing WWII wargame covering all fronts featuring a certain amount of original mechanics. Fight in solo against finally a decent AI throughout Europe, Africa or the Pacific, or against a friend in the cross-platform PBEM or real time multiplayer. Coop is also an option!
- 7

Battle Academy 2: Eastern Front
Single-player alternative to Check Your 6! — playable solo, no multiplayer required. Shares Strategy with Check Your 6!.
Sequel to its successful predecessor, Battle Academy 2 moves the action east – to the bloodied plains of Mother Russia. When a gritty new look, great new features, and random mission generation meet battle-proven gameplay you can be sure of a turn-based strategy classic!
- 8

Lock 'n Load Tactical Digital: Core Game
Single-player alternative to Check Your 6! — playable solo, no multiplayer required. Shares Strategy with Check Your 6!.
Lock 'n Load Tactical is fast and Furious tactical combat that is fast to learn. In LnLT you get squads, weapon teams, armored vehicles, fixed-wing aircraft, and, in the modern-era games, helicopters. Individuals such as Leaders, Medics, Snipers, Chaplains, Advisors, and, of course, Heroes.
- 9

March to Glory
Single-player alternative to Check Your 6! — playable solo, no multiplayer required. Shares Strategy with Check Your 6!.
March to Glory is a turn-based strategy game that takes you through the Napoleonic wars with a new strategic and challenging gameplay, full of interesting mechanics combined with thrilling combat.
- 10

Panzer Corps Gold
Single-player alternative to Check Your 6! — playable solo, no multiplayer required. Shares Strategy with Check Your 6!.
The ultimate edition of Panzer Corps, containing hundreds of scenarios and all its expansions. Panzer Corps Gold is the culmination of the wargame that has enthralled millions of fans all around the globe, and now it’s your chance to fully experience a real classic.
- 11

Warhammer 40,000: Armageddon (Classic)
Single-player alternative to Check Your 6! — playable solo, no multiplayer required. Shares Strategy with Check Your 6!.
In this hex-based, turn-based strategy game, players will lead the Imperial forces of the Armageddon Steel Legion and Space Marines from a variety of Chapters against the Ork invasion through over 30 scenarios, on the hostile terrain of the planet and its gigantic Hive Cities.
- 12

Pike and Shot : Campaigns
Single-player alternative to Check Your 6! — playable solo, no multiplayer required. Shares Strategy with Check Your 6!.
The ultimate wargame set in the age of Pike and Shot is back. You are now in full charge of your nation’s armies, throughout a long campaign in the struggle for dominance.
- 13

Sovereignty: Crown of Kings
Single-player alternative to Check Your 6! — playable solo, no multiplayer required. Shares Strategy with Check Your 6!.
Assume the leadership of one of the lands of Sovereignty and guide your people to glory and prosperity. By wisely combining soft and hard power, you can eventually hope to reign over the whole land. However, In this divided and merciless land, holding onto power is likely to prove harder than seizing it!
- 14

Commander: The Great War
Single-player alternative to Check Your 6! — playable solo, no multiplayer required. Shares Strategy with Check Your 6!.
Take Command and Secure Victory in the Great War! Commander – The Great War features a Grand Campaign covering the whole war from the invasion of Belgium on August 5, 1914 to the Armistice on the 11th of November 1918 in addition to 16 different unit types including Infantry, Cavalry, Armoured Cars and Tanks, Artillery, and much more!
- 15

Warhammer 40,000: Armageddon - Da Orks
Single-player alternative to Check Your 6! — playable solo, no multiplayer required. Shares Strategy with Check Your 6!.
In Warhammer 40,000: Armageddon - Da Orks, a new turn-based strategy game, players will lead the Orks against the Imperial forces of the Armageddon Steel Legion and Space Marines from a variety of Chapters, under a scorching sun, through hostile ash wastes, and in the shadows of gigantic Hive Cities.