Loading Spacepi 13 K…
SpacePi is a mouse accuracy/agility game revolving around the defence of 13 bases in the most desolate regions of space.
Originally by jackrugile · MIT licence · source
Yes. Spacepi 13 K is free to play in your browser, with no account, no download and no payment.
Yes. It runs in a phone browser, and the on-screen pad and swipe controls send the same keys as a keyboard.