Virtually all one games were developed by external corporations, although it is commonly credited to Takara since a developers' title seldom appears outside of the ending credits. Occasionally one developers include Tamsoft (Choro Q, Choro Q 2 & Choro Q Troika), Barnhouse Effect (Shin Combat Choro Q, Choro Q HG and Choro Q HG Four) & E-game (Choro Q Wonderful, Choro Q HG 2 & Choro Q HG Three). Virtually all come auto racing games with extensive chance for customisation, typically including RPG-style elements such as towns & side-quests.

Overseas releases
Single terzetto games in a series were freed outside of Japan before 2001 (including the 1984 MSX game by Taito Corporation, which is unrelated to the later Choro Q titles) - Choro Q for the PlayStation (released around Europe sole when Penny Racers) & Choro Q 64 for the Nintendo 64 (released within N United states of america & Europe when Penny Racers). Nonetheless, since 2001 numbers of of the titles develop been freed in the The states & Brother regions when budget titles, by publishers including Conspiracy Entertainment, Midas Interactive Entertainment and Play It!.

Series history
Choro Q (MSX), 1984 - Developed by Taito Corporation Europe: Choro Q (Electric Software, 1984)

Choro Q (PlayStation), 1996 - Developed by Tamsoft Europe: Penny Racers (Sony Computer Entertainment, 1996)

Choro Q 2 (PlayStation), 1997 - Developed by Tamsoft

Choro Q 3 (PlayStation), 1998 - Developed by Tamsoft

Choro Q Jet: Rainbow Wings (PlayStation), 1998 - Developer unknown

Choro Q Jet (Sega Saturn), 1998 - Developer unknown

Choro Q Marine: Q-Boat (PlayStation), 1998 - Developed by Barnhouse Effect

Choro Q 64 (Nintendo 64), 1998 - Developer unknown Northward United states of america: Penny Racers (THQ, 1998) Europe: Penny Racers (THQ, 1999)

Combat Choro Q (PlayStation), 1999 - Developed by Barnhouse Effect

Choro Q Park (Sega Saturn), 1999 - Developer unknown

Choro Q Hyper Customable (Game Boy Color), 1999 - Developer unknown

Choro Q Wonderful (PlayStation), 1999 - Developed by E-game

Choro Q 64 2 (Nintendo 64), 1999 - Developer unknown

Perfect Choro Q (Game Boy Color), 2000 - Developer unknown

Choro Q HG (PlayStation 2), 2000 - Developed by Barnhouse Effect N Us: Contraption Racers (Conspiracy Entertainment, 2001) Europe: Penny Racers (Midas Interactive Entertainment, 2002)

Choro Q Advance (Game Boy Advance), 2001 - Developer unknown Northerly America: Contraption Racers (Conspiracy Entertainment, 2001) Europe: Penny Racers (Xicat Interactive, 2002)

Choro Q HG 2 (PlayStation 2), 2002 - Developed by E-game Northward United states: Itinerant Hike (Conspiracy Entertainment, 2002) Europe: Traveling Hike Escapade (Play It!, 2003)

Shin Combat Choro Q (PlayStation 2), 2002 - Developed by E-game N America: Search & Kill (Conspiracy Entertainment, 2002) Europe: Search & Kill (Play It!, 2003)

Boku no Choro Q (PlayStation), 2002 - Developer unknown

Choro Q Advance 2 (Game Boy Advance), 2002 - Developer unknown Europe: Contrivance Racers (Zoo Digital Publishing, 2003) N United states: Traveling Hike: Shifting Gears (Conspiracy Entertainment, 2004)

Choro Q HG 3 (PlayStation 2), 2002 - Developed by E-game Europe: Contrivance Racers (Zoo Digital Publishing, 2003) Northward United states: Road Hike: Adventure Avenue (Conspiracy Entertainment, cancelled)

Choro Q! (GameCube), 2002 - Developer unknown Europe: Widget Racers (Zoo Digital Publishing, 2003) Northward United states of america: Touring Hike: Arcade Edition (Conspiracy Entertainment, 2004)

Choro Q Byun Byun Racer (Stand-alone TV game), 2003 - Developed by SSD Company Limited

Choro Q HG 4 (PlayStation 2), 2003 - Developed by Barnhouse Effect N United states: ChoroQ (Atlus, 2004) Europe: ChoroQ (Zoo Digital Publishing, 2005)

Choro Q Works (PlayStation 2), 2005 - Developed by Barnhouse Effect

Choro Q DS (Nintendo DS), Release TBA - Developer unknown