Rift Riff is all about jumping through portals (okay Rifts, whatever) and extracting precious juice. Monsters don't like you doing that though but the juice must flow. It's out now with Native Linux support.
Read the full article here: https://www.gamingonlinux.com/2025/05/rift-riff-is-a-beautifully-designed-tower-defense-game-about-pumping-juice/