Games like Mayhem Intergalactic

"Sid Meier's Starships" is a strategy game that puts you in charge of a fleet of starships in a procedurally generated universe. Complete missions to protect planets from hostiles, build a planetary federation, and engage in tactical space combat. The game features full customization of starships and offers cross-connectivity with "Civilization: Beyond Earth".

In "Infested Planet" , you command a small squad of soldiers against an overwhelming alien force, using strategy and tactical thinking to outmaneuver and outsmart the enemy. With 100,000 aliens closing in, you'll need to build defenses, equip your team with advanced weapons, and launch surprise attacks to capture and destroy alien hives. The ever-mutating alien army keeps you on your toes, demanding constant adaptation and innovation to survive.

Run a thieves’ guild in a gas-lit underworld. Antihero is a fast-paced strategy game with an (Oliver) Twist. Recruit urchins, hire thugs, kit out your master thief, upgrade your guild… and bribe, blackmail, and assassinate your opposition. A turn-based multiplayer strategy game about running a thieves' guild. Antihero is all about short play sessions with super-interesting decisions. Recruit stre…

"Lazerbait is a free VR arcade strategy game where players aim to capture all planets to produce ships and defeat enemies. With a god-like perspective, players can direct their fleet to take over planets, with the number of planets owned determining the size of the fleet. Up to 7 AI characters offer a challenge in free-for-all style, with customizable game settings and procedurally generated maps for varied gameplay."

"Etherium is a real-time strategy game set in a science-fiction universe with three factions vying for the rare resource 'Etherium'. Experience single-player Conquest mode, managing resources and bases, commanding units, and battling anomalies. In multiplayer, team up or engage in deathmatches with up to 4 players, with each faction having unique strengths, weaknesses, and tactical skills."

AI War 2 is a large-scale indie real-time strategy game where you face off against an advanced and dynamic AI. You must manage resources, research, and a diverse fleet of ships to defend your colonies and defeat the AI. The game features a complex metagame and procedurally generated maps, providing a unique experience with each playthrough.

"Hexarchy" is a historical turn-based strategy game for 2 players, playable in single-player, multiplayer, co-op, and PvP modes. It combines deckbuilders, 4X strategy, and hex-based board games, allowing players to build their own deck and construct their empire. The game features easy-to-learn mechanics and deep strategy, with a variety of single-player game modes and multiplayer options.

Endless Space is a turn-based 4X strategy game set in space. Players choose one of several unique civilizations, each with their own strengths, weaknesses, and victory conditions. Explore the galaxy, build and upgrade your empire, research new technologies, and engage in tactical space combat in this expansive and engaging game. With deep customization options and a variety of ways to win, Endless Space offers nearly limitless replayability.

SOVL is a tabletop fantasy wargame.

"Legends of Callasia" is a turn-based strategy game with elements of card play and empire building. Players must expand their territories, command armies, and build up their cities in a fantasy world filled with epic battles and political intrigue. The game features multiple campaigns, online multiplayer, and a variety of unique heroes and units to command.