Catch Totec with the grapple while he is jumping over a death fall
Activate all of the spikes at once in the Spider Tomb spike field
Jump from Totec's shield while he is jumping
Play Co-op mode
Continue playing to unlock this secret achievement.
Kill 3 enemies with one bomb
Earn the top score objective in any level
Collect all 10 red skulls in any single level
Complete any level-specific Reward Challenge
Collect all relics, artifacts and weapons
Reflect an enemy's projectile back to him using Totec's shield