For two weeks, a host of Off-Broadway shows will offer $20 tickets when purchased 20 minutes before show time.

A list of participating shows follow:

A Brush With Georgia O'Keefe
St. Luke's Theatre

Altar Boyz
New World Stages

Awesome 80s Prom
Webster Hall Babalu-cy!
Actors Temple

East 14th
New World Stages

Edgar Allen Poe's Masque of the Red Death/ The Bells/ The Tell-Tale Heart
St. Luke's Theatre

Enter Laughing: The Musical
York Theatre at St. Peter's

Fela!
37 Arts

Flamingo Court
New World Stages

Forbidden Broadway Dances with the Stars!
47th Street Theatre

Gazillion Bubble Show
New World Stages

Give 'Em Hell, Harry!
St. Luke's Theatre

Irena's Vow
Baruch Performing Arts Center

Marie Antoinette: The Color of Flesh
St. Luke's Theatre

My First Time
New World Stages

Naked Boys Singing!
New World Stages

Oscar Wilde's The Selfish Giant
Players Theatre

Perfect Crime
Snapple Theater Center

Stomp
Orpheum Theatre

Taboos
Soho Playhouse

The Fantasticks
Snapple Theater Center

The Quantum Eye
Snapple Theater Center

"20at20" is a project of the Off-Broadway Theater Alliance. For more information visit www.20at20.com or call (877) 420-2820.