Here is the full list of all 42 CONSTRUCT achievements.
A2 POWER ORB EXTRACTED
A1 POWER ORB EXTRACTED
DISCOVERED A HUB
A3 POWER ORB EXTRACTED
A4 POWER ORB EXTRACTED
B1 POWER ORB EXTRACTED
B2 POWER ORB EXTRACTED
B3 POWER ORB EXTRACTED
B4 POWER ORB EXTRACTED
C1 POWER ORB EXTRACTED
C2 POWER ORB EXTRACTED
C3 POWER ORB EXTRACTED
C4 POWER ORB EXTRACTED
D1 POWER ORB EXTRACTED
D2 POWER ORB EXTRACTED
D3 POWER ORB EXTRACTED
D4 POWER ORB EXTRACTED
FLASHLIGHT ORB UPGRADE LOCATED
MACHINE ORB UPGRADE LOCATED
GRAVITY SWITCH ORB UPGRADE LOCATED
TELEPORT ORB UPGRADE LOCATED
SUN ORB UPGRADE LOCATED
ULTRA BOOST ORB UPGRADE LOCATED
FORCE ORB UPGRADE LOCATED
GRAVITY TELEPORT ORB UPGRADE LOCATED
DOUBLE JUMP UPGRADE DOWNLOADED
TRIPLE JUMP UPGRADE DOWNLOADED
AIRBOOST UPGRADE DOWNLOADED
DOUBLE AIRBOOST UPGRADE DOWNLOADED
TRIPLE AIRBOOST UPGRADE DOWNLOADED
DISCOVERED CONSTRUCT HUB
ESCAPED FROM CONSTRUCT
DISCOVERED B HUB
DISCOVERED C HUB
DISCOVERED D HUB
EXTRACTED ALL A HUB POWER ORBS
EXTRACTED ALL B HUB POWER ORBS
EXTRACTED ALL C HUB POWER ORBS
EXTRACTED ALL D HUB POWER ORBS
ALL POWER ORBS EXTRACTED
ALL ABILITY ORBS LOCATED
ALL UPGRADES DOWNLOADED