Gamemode just doesn't change with the @a parameter in commandblocks.
Just looks like it changed, but hasn't. More in video
can also be proven by using /testfor @a[m=1]
MC-46016
[CRITICAL-BREAKS ADVENTURE MAPS]Gamemode Change does not work! Command blocks!!!! 14w04a,b NOT FIXED!!
Resolved
Duplicate
0
Max Muster
(Unassigned)
Unconfirmed
Minecraft 14w03b, Minecraft 14w04a, Minecraft 14w04b
Retrieved
Duplicate of MC.45335
And do not use Caps on the title. Thanks.