Spray Paint Simulator Submariner asks a simple question. What if you could bring color to the silent world beneath the waves. This 2025 casual simulation management game from North Star Video Games and Whitethorn Games follows a painter who traded their studio for a wetsuit. You explore five distinct underwater biomes, from shallow coral gardens to deep sea wrecks. Each location has its own challenges, like strong currents that push your spray or bioluminescent algae that mess with your color perception. But the core loop remains calming: clean, tape, spray, admire.