We have 2 cheats and tips on GBA. If you have any cheats or tips for Dexter's Lab Chess Challenge please send them in here. You can also ask your question on our Dexter's Lab Chess Challenge Questions & Answers page.
Just win over 200 games and the option would become available.
Found this and some things are
Create Your Own Pattern
Blue and Yellow Checkered And Black And White Checkered
Red and Green Checkered And Black and Blue Checkered
The more games you win the more options you get!
Level 1 - Password: CSHJMQNS or GRDSJJCP
Level 2 - Password: HQJSJJBP
Level 3 - Password: TTHRDGDN
Level 4 - Password: CSHJMQNS or KPHHDKFN
Level 5 - Password: CSHJMQNS or QGPFCLMH
Level 6 - Password: CSHJMQNS or HSJSDGBF
Level 7 - Password: CSHJMQNS or TKHQNGBN
Level 8 - Password: CSHJMQNS or FNHHDJFS
Level 9 - Password: CSHJMQNS or QQPFMNMG
Level 10 - Password: CSHJMQNS or HSJJBGNF
Level 11 - Password: CSHJMQNS or SKRGNBBN
Level 12 - Password: CSHJMQNS or TRJQHGQM
Level 13 - Password: CSHJMQNS or SQTKMNMQ
Level 14 - Password: CSHJMQNS or RSKJLGNK
Level 15 - Password: CSHJMQNS or QPMCFFFK
Level 16 - Password: CSHJMQNS or RRDQRGGM
Level 17 - Password: CSHJMQNS or GRGFFQSR
Level 18 - Password: CSHJMQNS or RSRJLLNK
Level 19 - Password: CSHJMQNS or QMRCFFPH
Level 20 - Password: CSHJMQNS or QRDLMGGL
Level 21 - Password: CSHJMQNS or BMGFFRSM
Level 22 - Password: CSHJMQNS or QBSFDSRF
Level 23 - Password: CSHJMQNS or SMRCHFPC
Level 24 - Password: CSHJMQNS or QHBLMGJN
Level 25 - Password: CSHJMQNS or BMQDFHQM
Level 26 - Password: CSHJMQNS or GLRPKGHP
Level 27 - Password: CSHJMQNS or GFLMPSKD