Created from a mix of Ukrainian, Navajo, Tagalog, (the major language of the Philippines) and free-form improvisational exercises, Simlish is a softer, simpler syllabic language that has evolved in complexity along with the world of The Sims.

The language is shared around the world, in 60 countries, and is approximately 80% intuition and improvisation and 20% unwritten dictionary.  

• Simlish was developed in the late 90's, by the first creative team of The Sims
• Universal language of The Sims, its vocabulary based on emotion
• Musical artists have recorded new performances of their songs with Simlish lyrics. Artists include:
• Depeche Mode recorded a Simlish-language version of their single "Suffer Well" for Open for Business
• Natasha Bedingfield has recorded a new song in Simlish called "Pocket Full of Sunshine."  "It was such a fun and delightful challenge to learn how to sing in Simlish," Natasha Bedingfield added. "The language of The Sims captures a wonderful sense of beauty, creativity and humor, so my song 'Pocketful of Sunshine' translated well!"
• The Black-Eyed Peas also contributed to the recording of Simlish hip-hop songs in Urbz: Sims in the City
• Heavy Medal band Anthrax made a Simlish version of their song "Now It's Dark" from their album State of Euphoria
• The Veronicas re-recorded their single "When It Falls Apart" in the Seasons expansion pack.
• Howard Jones re-recorded three songs in Simlish
• Celtic and Gaelic Storm made a Simlish version of their song "Scalliwag" from their album Bring Yer Wellies that was featured in The Sims 2: Bon Voyage and The Sims 2: Castaway.
• Other names to note are: Paramore, Abra Moore, Annie, Dexter Freebish Da Riffs, The Perishers, Cansei de Ser Sexy, Go Betty Go, Adam Freeland, Acceptance, MxPx, Timo Maas, Hyper, Charlotte Martin, The Faders, Lemon Jelly, Trivium, Reggie and the Full Effect, Steadman, and Junkie XL