Following the Season 4 group stage of the 250 FPS League, the two new maps added before the season — Aerowalk and Delirium — ended up as the least-played maps in the pool. Across the group stage, Aerowalk was played 19 times (6.6% of all maps), while Delirium was played 17 times (5.9%).

For comparison, in the Season 3 group stage, the maps that were later replaced by the new additions — Cure and Dismemberment — were played 23 (8.1%) and 32 (11.3%) times, respectively.

A more detailed overview of Delirium is available on Plus Forward.

Maps played – Season 4 group stage
Map
Times Played
%
Silence
49
16.9%
Furious heights
47
16.2%
Sinister
39
13.4%
Battleforged
34
11.7%
Lost World
33
11.4%
Bloodrun
28
9.7%
Hektik
24
8.3%
Aerowalk
19
6.6%
Delirium
17
5.9%