Load into Math Difficulty Chart Obby from the Roblox game page. Once you’re on the main menu, press the Codes icon to bring up a text box. Paste in a code from our list and press the Redeem button.

The creator of VVVVVV, Terry Cavanagh, has just released his next game. But in order to play Climb the Giant Man Obby, you'll need to venture into Roblox.

As for Cavanagh's game within a game, it's called Climb the Giant Man Obby. An "Obby" is a type of 3D platformer that's popular in Roblox. Coming from Cavanagh, expect a tough but fair experience.

To find the Difficulty Chart Marker, gamers can type "Difficulty" using the keyboard in the cave. In doing so, they'll be sent to a very elaborate obby.

Though Climb the Giant Man Obby is free-to-play, Roblox's game creation capabilities and a massive community of players have attracted not just hobbyists and aspiring developers, but professional ...