
Steel Abyss Demo
Navigate the crushing depths in intense submarine warfare
Pilot your submarine through hostile waters where every enemy destroyed brings you closer to ultimate firepower. Start with basic torpedoes and evolve your arsenal through 13 devastating weapon levels - from simple shots to the legendary "Explosive Piercing" combo that unleashes dual PufferFish and armor-piercing Marlin torpedoes.
Key Features:
Progressive Weapon System - Transform from rookie to submarine ace
- Level 1: Basic torpedoes
- Level 4: Swirling Squid torpedoes
- Level 8: Piercing Marlin that cuts through multiple enemies
- Level 13: Devastating PufferFish + Marlin combination
Diverse Combat Arsenal
- Torpedoes for precision strikes
- Rockets for surface targets
- Bombs for area damage
- Special weapons like Hammerhead and PufferFish
Environmental Challenges
- Navigate schools of fish
- Survive freezing waters
- Avoid deadly mine fields
- Battle through multiple unique stages
Objective-Based Missions
- Destroy enemy submarines and vessels
- Survive time-based challenges
- Reach score milestones
- Complete stage-specific goals
🎮 Controls:
- WASD - Navigate your submarine
- Space - Hold to fire torpedo barrage
- V - Launch rockets
- B - Drop bombs
- A - Toggle autoloader to fire at constant pace
- ESC- Forfeit game and return to Main Menu
🌐Play modes:
- Browser version - Jump in instantly
- Desktop version - Full offline experience + Steam Deck ready
🎮 Platforms:
- Windows (Desktop installer + portable)
- Web browsers
- Steam Deck compatible (via Heroic Launcher)
The deeper you dive, the deadlier the enemies become. Can you master all 13 weapon levels and survive the steel abyss?
| Status | Released |
| Platforms | HTML5 |
| Author | WeeAngusMcDread |
Development log
- Spooktober Update – Steel Abyss Gets Haunted!40 days ago
- Spooktober update41 days ago



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