The red exclamation mark is reapplied to Upgrades every time you buy a Resistance thing for which you did not buy the latest upgrade, even if nothing new appeared.

Ultimate Ninja upgrade has a slightly wrong description: it also boosts click gain.

Upgrades stop appearing too early for that 1 billion cost to be approachable.

Nice work on the graphics! Though, as others said, the mechanics and game numbers are not exactly new.

Nice work on a Cookie Clicker clone! The artwork was creative and fun. The Nice work getting started on animation.

Animations and theme are quiet fun, but theme-wise and unique-ness wise not much going on.