The v1.11 Platinum Edition bundle, often found on sites like GOG.com and Steam , includes the , which expands gameplay with:

: As you gather relics for Professor Adams, you earn XP to unlock faster fins, better diving suits, and improved Eco-Gun recharge speeds.

Rather than just collecting relics, you actively rehabilitate the marine ecosystem using two specialized modes:

: You can target and heal fish that have been infected by underwater pollution.