Here is the full list of all 37 Chariot trophies - there are 14 bronze, 19 silver, 3 gold and 1 platinum.
Obtain all other trophies.
Play a level from beginning to end with a second player.
Reach 100% completion.
Obtain a gold medal in every speed run.
Obtain a bronze medal or better in every speed run.
Reach any exit of Molten River without respawning.
Reach any exit of the Crystal Castle without winding the rope or locking.
Spend 500,000 loot.
Reach any exit of the Hive without alerting any looters.
Obtain a gold medal in a speed run with no gadget equipped.
Obtain a gold medal in a speed run.
Find all three skulls in every level.
Completely reveal the map of all levels.
Reach the exit of the hidden level with no gadget equipped.
Obtain a bronze medal or better in a speed run.
Reach any exit of Woodland Vestibule without using the rope.
Find the hidden level.
Find all alternate exits.
Get 12 seconds of air time with the Chariot.
Unlock all gadgets.
Find a different entrance than the one you came in through.
Find the Sandstone Ruins sepulcher.
Fully upgrade the Chariot.
Deliver all Chariot blueprint crates to their destination.
Find the Obsidian Pits sepulcher.
Fully upgrade a gadget.
Locate and obtain the largest type of blue jewel without a second player.
Encounter a looter of each type.
Find the Crystal Chasm sepulcher.
Find an alternate exit.
Find the Luminous Abyss sepulcher.
Reach maximum speed with the Chariot.
Find the Verdant Burrows sepulcher.
Deliver a Chariot blueprint crate to its destination.
Unlock a gadget.
Completely reveal the map of a level.
Find all three skulls in any level.