Welcome to Round 2 of the 2023 SRB2 Official Level Design Collab! The OLDC is a celebration of all of the map creators in our community. This time around marks one of the most jammed packed OLDC’s in the 2.2 era! With participants being more familiar with the UDMF format, unique level designs, gimmicks, and a unique hub with rooms by the participants, make this one of the biggest collabs that the OLDC has seen this time around!

Single-Player:
- Circuit Rush Act 1 & 2 - Sketchzelle
- ColorVoid Chasm - Maverick
- Egg Rocket - CILC
- Omelette Farms - Bandder
- Spleenik the Game 2 - dashdahog
- Magma Mountain - Sketchzelle
- Snow Skies - starshy
- Chemical Base - S0nic1983, Othius, & Mr.FondusBroMan
- Rainy Foliage - JABSphere94
- Null Space - bypigs2
- Blue Mountain - rosie the racoon
- Hexacolor Heaven - FAVman33
- Windy Forest - Vixuzen
- Twilight Hill Act 2 - csean07 ☆Kori☆
- Doomship Act 2 - Avalice
- Pump Sewers - RedBun
- Palace of NiGHTS - SonicHeroX45
- The NiGHTMARE - SonicHeroX45
- Mount Majesty - Voidy2246
- Temple Trek - Hejod
- Sapphire Twilight - Vixuzen
- Zaxel’s Garden - Zaxel Katsugyo
- Hanging Illusion - Pallaris
- Vermutlich ne Insel - Bewinus
- Ground Veil Z - Zaxel Katsugyo
- Blossoming Brushes - NeonSRB2 & Sonicn't.
- Arctic Summit - Seaballer & @Othius
- Metallic City - StarManiaKG
- Totem Tombolo - Ruberjig
- Fortune Forge - Ruberjig

Ring Slinger:​
- Mega Genesis - KirbySuperIsKindaDumb

Circuit​:
- Toxic Citadel Remake - glaber
- Winter Run - Hejod
- Rainy Foliage - JABSphere94