The Game of Doublets (formerly the "Revised New Game")

gotta go down the chain:

reveled

leveled

Another one of those “double-l is optional” types…

Leveler

levelers

Revelers

revilers

Nice one

Revivers

Revisers

revisors

Previsors

previsor

Revisor

reviser

Revisers

Revisers already played

Revise

Revised

revived

Revive