Complete the following tasks to unlock PlayStation 3 trophy rewards. All of the trophies are secret.

Trophy	How to unlock
Ancient Ruins Celebration (Bronze)	Complete Area 3 in Co-op mode.
Ancient Ruins Contemplation (Bronze)	Complete Area 3 in Single Player mode.
Born for Spelunking (Bronze)	Play 100 times.
Cave Raider (Bronze)	Collect a total of 100 items.
Creature's Chamber Celebration (Gold)	Complete Area 10 in Co-op mode.
Creature's Chamber Contemplation (Gold)	Complete Area 10 in Single Player mode.
Earn first place in the race mode (Bronze)	Be ranked for the first time.
Fabled Treasure Hunter (Bronze)	Achieved a high score of 50000.
Fossil Land Celebration (Bronze)	Complete Area 5 in Co-op mode.
Fossil Land Contemplation (Bronze)	Complete Area 5 in Single Player mode.
Frozen River Celebration (Bronze)	Complete Area 4 in Co-op mode.
Frozen River Contemplation (Bronze)	Complete Area 4 in Single Player mode.
Ghostbuster (Bronze)	Expel your first ghost.
Gushing Cave Celebration (Bronze)	Complete Area 2 in Co-op mode.
Gushing Cave Contemplation (Bronze)	Complete Area 2 in Single Player mode.
Illuminated Cave Celebration (Bronze)	Complete Area 6 in Co-op mode.
Illuminated Cave Contemplation (Bronze)	Complete Area 6 in Single Player mode.
In Memory of the Black Spelunker (Silver)	Witness the death of the Black Spelunker.
Junior Spelunker (Bronze)	Complete the tutorial.
Lava Cave Celebration (Bronze)	Complete Area 7 in Co-op mode.
Lava Cave Contemplation (Bronze)	Complete Area 7 in Single Player mode.
Legendary Treasure Hunter (Silver)	Achieved a high score of 100000.
Master Cave Explorer (Silver)	Reach a depth of 10000m.
Mine Remains Celebration (Bronze)	Complete Area 1 in Co-op mode.
Mine Remains Contemplation (Bronze)	Complete Area 1 in Single Player mode.
Mural Addict (Gold)	Complete the mural.
Mural Beginner (Bronze)	Collect a mural piece for the first time.
Mural Collector (Bronze)	Collect 50% of mural pieces.
Mural Enthusiast (Silver)	Collect 75% of mural pieces.
Mural Hobbyist (Bronze)	Collect 25% of mural pieces.
Novice Cave Explorer (Bronze)	Reach a depth of 300m.
Pro Cave Explorer (Bronze)	Reach a depth of 1000m.
Professional Ghostbuster (Bronze)	Expel 100 ghosts.
Pyramid Chamber Celebration (Silver)	Complete Area 9 in Co-op mode.
Pyramid Chamber Contemplation (Silver)	Complete Area 9 in Single Player mode.
Rescue Squad Captain (Bronze)	Revive another Spelunker for the first time.
Ruined Facility Celebration (Silver)	Complete Area 8 in Co-op mode.
Ruined Facility Contemplation (Silver)	Complete Area 8 in Single Player mode.
Spelunker King (Platinum)	Earn all trophies.
Spelunker Recruit (Bronze)	Complete the first level in Single Player mode.
Spelunking Maniac (Bronze)	Play 50 times.
Strength in Numbers (Bronze)	Play Co-op mode online for the first time.
The Fastest Man Underground (Bronze)	Earn first place in the race mode.
Treasure Hunter (Bronze)	Achieved a high score of 10000.
Underground MVP (Bronze)	Get MVP for the first time.
Underground's Next Top Idol (Silver)	Play Co-op mode online with 30 people.
Welcome to the Underground! (Bronze)	Play for the first time.