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The Cave Diver

The Cave Diver, a physics-based horror adventure game by Ovsko, is available on Steam as of August 13, 2026, priced at 1,350 yen with a 10 percent launch discount until August 23.

Synthesized from 2 Yomimono stories · updated Aug 19

The Cave Diver is a physics-based horror adventure game developed by Ovsko. It released on Steam on August 13, 2026, after a July announcement that set that date. The game costs 1,350 yen, with a 10 percent launch discount bringing it to 1,215 yen until August 23. It supports Japanese and is available on PC via Steam.

The player controls a protagonist with paralyzed legs who crawls through narrow caves using only their arms, searching for a flower said to bloom at the bottom and heal all illnesses. The caves are labyrinthine, with branching tunnels that lead to dead ends where turning back is physically impossible. Players can place signs to mark their route and warn of dangers. Characters and objects move via physics simulation, and some puzzles require physics-based actions, such as swinging from a collapsed platform to cross a gap. If the player becomes stuck, the protagonist dies trapped in the rock, and on restart, the corpse of a predecessor may remain at that spot.

The game is high-difficulty, with playtime estimated at 3 to 5 hours. Its Steam wishlist count exceeded 20,000 before release. The release bundles with other similar titles, including a crossover with Endoparasitic, which may draw players from that game's audience.

Key facts

Developer
Ovsko
Release date
August 13, 2026
Platform
PC via Steam
Price
1,350 yen, with a 10 percent launch discount to 1,215 yen until August 23
Protagonist
A character with paralyzed legs who crawls using only their arms
Objective
Find a flower said to bloom at the bottom of the caves and heal all illnesses
Gameplay mechanics
Physics simulation for characters and objects; puzzles require physics-based actions; signs mark routes; getting stuck causes death
Wishlist count
Exceeded 20,000
Estimated playtime
3 to 5 hours

Timeline

Synthesized by Yomimono from the cited Yomimono stories below, each itself sourced, then editorially reviewed. Every fact links the story it came from.

All coverage

Aug 13

The Cave Diver Crawls Onto Steam With Physics Horror

Individual developer Ovsko released The Cave Diver on Steam on August 13, 2026. The horror adventure game costs 1,350 yen, with a 10 percent launch discount bringing it to 1,215 yen until August 23. The player controls a protagonist with paralyzed legs who crawls through narrow caves using only their arms, searching for a flower said to bloom at the bottom and heal all illnesses. The caves are labyrinthine, with branching tunnels that lead to dead ends where turning back is physically impossible. Players can place signs to mark their route and warn of dangers. Characters and objects move via physics simulation, and some puzzles require physics-based actions, such as swinging from a collapsed platform to cross a gap. If the player becomes stuck, the protagonist dies trapped in the rock, and on restart, the corpse of a predecessor may remain at that spot. The game supports Japanese and is available on PC via Steam.

Jul 16

Horror Game 'The Cave Diver' Gets Steam Release Date of August 13th

The physics-based horror game 'The Cave Diver' by Ovsko is set to release on Steam on August 13th. The game features high difficulty, with the protagonist using only both arms to navigate claustrophobic rock crevices. Getting stuck results in being crushed. The Steam wishlist has exceeded 20,000. Playtime is estimated at 3 to 5 hours. The price has not been announced.