Yes — co-op and PvP. Supremacy: 1914 is a turn-based & grand strategy game released in 2019, 75% positive on Steam (3,873 reviews), with 334 playing right now. Free on Steam.
Take over the control of one of the mighty nations during the times of World War 1 in the biggest WW1 strategy game of all time. Conquer provinces, forge…
Steam's own category list for the game, as of 2026-09-09. "Not listed" means the store page does not claim that mode; community mods or Remote Play can still add it.
Steam tags: Strategy, Free to Play, War, Historical, World War I, Military, Grand Strategy, Simulation
Ready Up compares two Steam libraries and shows every multiplayer game you both have — including whether Supremacy: 1914 is one of them — then helps you pick tonight's game with a weighted roll or a bracket.
Or open the Steam store page.
Tired of Supremacy: 1914? The Swap tab finds the closest unowned games of the same type that are newer or rated higher.
Ready Up is a free tool: enter two Steam usernames and it lists the multiplayer games you both own, runs a bracket to pick one, and suggests new co-op games that fit how you both play. Ratings, tags and player counts from Steam and SteamSpy; page updated 2026-09-23. Powered by Steam — not affiliated with or endorsed by Valve Corporation or Microsoft. Ready Up is a Somebody Decide program. How the data works · Legal & privacy · All types · Game Pass