Trophies - Successfully complete one of the following tasks to get a trophy:

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