I have some names:
Flag's Area,
The Golden Flags,
Flag's Kingdom,
Flag's Guard Area,
Temple Of Flags Race,
Knights Of The Flags,
Flag's Rangers,
Flag's Temple,
The Flags From Hell,
Flag's Revenge,
Lost Sanity's Flag,
Flag's Gate,
The Anger Of Flags,
War Of Flags,
Race To Madness,
Survival Flags,
Lost Flags,
Flag's Race,
Race To Hell,
Elements Of Flag,
Abilities Of Flags,
The Search To The Flag,
Madness Flag's Race,
But if you don't like them then maybe you can change them (like change some letters, location of the words or add/delete some words) :3
and sorry ifi have some spelling mistakes.