An extremely difficult challenge that requires setting up stuff using Console before starting it.
Description[]
This challenge puts the player on how long can he/she survive in an environment where almost all things are black, including himself, along as how much points can he/she acquired before death. Health and Stats cannot be seen, as well as names and other texts that might reveal the enemies. You can't even know whether you can upgrade your tank class. Summed up, it looks like the player is in "blind state".
Before Playing[]
Type and enter the following codes in game Console:
ren_background false
net_replace_color 0 0x000000
net_replace_color 1 0x000000
net_replace_color 2 0x000000
net_replace_color 3 0x000000
net_replace_color 4 0x000000
net_replace_color 5 0x000000
net_replace_color 6 0x000000
net_replace_color 7 0x000000
net_replace_color 8 0x000000
net_replace_color 9 0x000000
net_replace_color 10 0x000000
net_replace_color 11 0x000000
net_replace_color 12 0x000000
net_replace_color 13 0x000000
net_replace_color 14 0x000000
net_replace_color 15 0x000000
net_replace_color 16 0x000000
net_replace_color 17 0x000000
net_replace_color 100 0x000000
net_replace_color 101 0x000000
net_replace_color 102 0x000000
net_replace_color 103 0x000000
net_replace_color 104 0x000000
ren_names false
ren_stats false
ren_health_bars false
ren_stroke_soft_color false
ren_score_bar_fill_color 0
ren_xp_bar_fill_color 0
ren_stats false
Goal[]
There is actually no specific goal in this challenge. You just need to score high and survive a pretty long time. This must not be done on Sandbox, though, as cheats can be activated, allowing the player to survive almost indefinitely. Playing on Tag, Domination, or Survival is also discouraged, as their gameplay prevents the player from surviving as long as they can.
Playing on either 2 Teams or 4 Teams is much like an easier type of this challenge. For the hardest type, play on FFA or Maze (FFA is harder, as you are always open to enemy fire, while in Maze, you might be actually hiding in a wall and "stuck".).
If you tried this challenge, and want to show off your results, comment it below, along with a picture/video proof.