Games like Tiamat X

"Soldiers Lost Forever is a 2D shooter set in WW1, where players manage the economies and unit deployment of British, French, and Canadian armies in tactical trench warfare. Two modes, "Total War" and "Survival," offer a blend of strategic resource management and intense infantry and vehicular combat. In 'Survival,' players face increasing challenges as they attempt to cross no man's land for high scores."

"Space Drifters 2D" is a top-down space shooter with Newtonian physics movement, featuring single-player and local co-op modes. In the Endless mode, survive against endless waves of enemies as space shrinks, while Versus mode allows you to battle it out against an opponent to claim your place in the Universe. The Hold the Flag mode offers another way for Matter and Anti-Matter to compete for dominance.

This fast, fun and challenging sci-fi game is truly like no other 3D racer, it will make you cry JUST ONE MORE TRY! Race through beautiful procedurally generated 3D space-scapes or a set of 13 hand-crafted challenges that will put your skills to the test.

InterLogic is a simple and atmospheric matching blocks puzzle game.

"Pester" is a fast-paced, vertically-scrolling shooter game with intense old-school action and TATE support. The game features remastered sprite work and a thumping soundtrack, with over 100 customizable play options for a highly replayable experience. Originally released for Xbox Live Indies, this game offers a challenging and exciting experience for shooter fans.

You are the last pilot on Earth, tasked with slowing down the invasion and giving survivors enough time to escape. If you can hold back the waves long enough, you may have a shot at destroying the massive mothership and saving the Earth. Oblivion's Edge is an arcade and bullet hell inspired twin stick shooter with multiple game modes and difficulty levels.

C.H.A.S.E.D. is a single-player horror game where you must survive five nights of being stalked by a frightening stranger trying to break into your home. With a focus on fast-paced gameplay, players must keep their stamina up, use their senses to listen for threats, and try not to get scared. The game features extras such as collectibles, game modifiers, and extra modes, as well as updates and new content. It contains jumpscares and tense moments, so it is not recommended for those sensitive to light perturbations.

"Bomb the Monsters!" is a physics-based puzzle game where players must demolish buildings to crush monsters. Use an arsenal of bombs to strategically topple structures and save the human race. With various monster types and challenging levels, players must plan their attacks carefully to progress.

Starsphere is a challenging platformer. Jump and move together with Starsphere in ocean of dynamics and action. Incredibly difficult levels, bonuses, achievements, and of course rhythmic Starsphere music will give you a lot of fun (pain) to play.

Downpour is a hardcore 2D Base survival game. A simple game in concept, but a complexity in practice. Protect an Antenna that is being built from endless enemies so you can contact home. All the while managing closely tied resources. Death will probably come many times.