Games like 15 Seconds

Ironclad Tactics is a card-based tactics game set during the American Civil War. Players command ironclad warships and soldiers, using cards to deploy units, execute special abilities, and give orders. The game features a single-player campaign and multiplayer modes, with a focus on strategic decision-making and fast-paced combat.

A dieselpunk real-time tactics roguelite set in an alt-history World War 2. Grit and Valor – 1949 puts you in command of an elite Mech Squadron. Think fast and battle the Evil Axis forces to liberate Europe. Upgrade your Mechs and Pilots and develop new strategies to neutralise the enemy HQ!

Warpips is a single-player real-time strategy warfare game with exceptional gameplay, delightful graphics, and exceptional music. The game features easy-to-learn but hard-to-master mechanics, with randomly generated battles and no complex micromanagement. With a diverse roster of units, a fully unlockable upgrade tree, and infinite strategic combinations, Warpips promises a highly replayable experience with no microtransactions or pay-to-win.

Space Aces is a thrilling online space shooter where you evolve from a rookie pilot to the galaxy’s most feared Ace. Customize your ship from 10 types with over 100 configurations, battle against 30+ alien threats, and prove your skills in intense PvP dogfights. Build alliances, manage clans, and control space sectors with powerful defenses and offense.

"Northend Tower Defense" is a strategy game with big battles and smooth performance. Choose from over 20 unique units, each with their own abilities, and upgrade them as you progress through 8 different levels. Use skills as the commander to turn the tide of battle in your favor.

Conquer the Frontier. Command your Fleet. Dominate the Galaxy.

Become king of pirates while sailing through seaports, battles, krakens & navy

Infinity Wars is a free-to-play, animated trading card game with a focus on strategic combat. Players build decks from hundreds of cards representing various units, abilities, and special actions. The game features a single-player campaign, PvE challenges, and PvP modes, with vibrant visuals and a variety of play styles to explore. Each turn offers dynamic decisions and intense battles, providing an engaging and immersive card game experience.

"Game Dev Tycoon" is a business simulation game where you start your own game development company in the 80s. You'll create your own games, research new technologies, and manage your team to build a successful game development empire. With a variety of challenges and opportunities, this game offers a fun and engaging experience for anyone interested in game development or business simulation.

"Aeon Command" is a tug-of-war strategy game set in the Aeon Nebula, where three factions are at war. Players can choose one of these unique factions and take control of their mother ship to gather resources, produce ships, and fight off enemy mother ships. The game features a 24-mission single-player campaign, 8 missions for each faction, and various skirmish modes. Cross-platform multiplayer is available, allowing players to compete against others on different platforms. Persistent upgrades can be earned throughout the game to enhance your faction's abilities.