Similar to やまねこバブジーの大冒険

Cal Ripken's Real Baseball

ALF (video game)

Arma 2

Arma: Armed Assault

Alone in the Dark

Unepic

Angband (video game)

Unturned

And Yet It Moves

Unravel (video game)

Unreal (1998 video game)

Unreal Tournament

Star Citizen

I Wanna Be the Guy

Abzû

Marvel's Avengers (video game)

Arcanum: Of Steamworks and Magick Obscura

Undertale

The Unfinished Swan

Aegis Defenders

InkBall

Indivisible (video game)

Into the Breach

Infiniminer

Full Tilt! Pinball#3D Pinball for Windows – Space Cadet