Rs. 1,136
This is add-on content — the receiving Steam account needs the base game to play it.
How delivery works
- At checkout, enter your Steam profile URL and Friend Code.
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- The game is sent to your account as a Steam gift, usually within 24–48 hours.
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Genre: Action, Adventure, Indie
Released: 15 Apr, 2026
1 trailer · 6 screenshots
Requires Mark of the Deep — buy the base game
About This Content
Prove your strength in a brutal boss rush experience designed to push Rookie to the limit.
Mark of the Deep - The Cursed Trials challenges you with multiple runs featuring different boss selections, orders, and difficulty modifiers. Each run is a true test of mastery, where survival depends on smart decisions, adaptability, and skill.
Face the Ultimate Challenge
16 boss options combined into pre-made boss sequences
Multiple run lengths, from quick challenges to long boss sequences
Defeat a sequence to unlock the next, increasing the stakes every time
Curses & Custom Challenges
Activate up to 6 unique Curses to dramatically change how each run plays. Add risk, increase difficulty, and push for glory!
Progress Between Battles: the choice is yours!
Start every run with all Rookie’s base abilities unlocked. Between boss fights, enter the Progression Room, where you can choose what upgrade suits you best!
Choose wisely. Your build can mean the difference between victory and defeat.
Unlock Rewards
Earn weapon skins and Rookie skins by conquering runs. All unlocked cosmetics can be used in the standard game.
Track Your Performance
See which bosses challenge you the most, completion times, and other statistics!
Every victory unlocks new runs, new challenges, and new rewards. Step into the arena and show the cultists who truly rules the seas.
Mark of the Deep - The Cursed Trials. Only the strongest Mark Keepers survive.
