Jeremy is a simple beat ‘em up where you defend yourself from bullies till the end of your life.
Vampire Jetpack is a cross between Chopper and Super Crate Box: you steer with a single button while shooting your way through enemies with weapons that you have to change often.
Sphere is an original 3D puzzle platformer where you can throw a bouncy ball and then repeat its flight starting from your position. For example, if you make it bounce along the floor, you could simply hop to where it’s landed or replay the stored trajectory elsewhere to cross a pit with fancy airjumps.
I couldn’t say it better than Google Translate:
This game is a breakout fight with the enemy ninja action while breaking the block.
Click the big green button to download. The default keyboard controls are ←→ to move, X to jump, Z to slash, C to dash, C while holding Z to flame-dash, A to shield, Space to pause; I recommend playing with a gamepad.
Kyoto is both a pleasant musical toy and a short abstract puzzle.