Here is the full list of all 7 Eye of the Temple: First Steps achievements.
Open the temple gate.
Reach the end of First Steps.
Defeat a scarab in 3 hits or less with your whip.
Defeat a scarab with your unlit torch.
Start a game in speedrun mode.
Reach speed level 50 in speedrun mode.
Complete speedrun mode in 10 minutes or less.