Challenge Mode is a gamemode introduced in update v1.9.8. Keep in mind that all other individual gamemodes are saved on a completely different save file, so your normal save file will not be erased.
Differences
General
- Cannot access Social Park
- Can trade and battle in regular servers
- Mystery Gift does not work
- Can no longer use Saffron City's Bot Lab
- Upon completion, you will receive Poipole as a reward that can be obtained by talking to the yellow skinned NPC in Vermillion City.
Pokemon Stats
- All opponent trainer Pokémon now have an increase of 50% in stats
- All opponent trainer Pokémon are immune to status effects
Glitches
- Because of the Status move immunity in the Challenge mode, There was a glitch which occured on the other modes,and as a result, You couldn't use status moves such as Spore, Thunder Wave and Sleep Powder