Complete all story levels without dying, with the exception of those levels that only end when you die

Destroy the Metal Gear REX boss in under 2 mins 30 seconds

Construct an Enchantment Table.

Collect all of the METAL GEAR SOLID® prize bubbles

Ace Act 3: The Mission and Act 4: The Level Factory

Build and save a level with more than one player with the thermometer more than 30% full

Fire 40 paintballs in under 5 seconds

Escaped Rapture.

Headed to the surface on the side of Sinclair's escape pod.

Reunited with your original Little Sister.

Saved every Little Sister and spared Grace, Stanley and Gil.

Dealt with every Little Sister.

Fully upgraded one Plasmid to the Level 3 version.