Game Systems
GameRadar Channels
Game News
Get all the latest news, rumors, videos, event coverage, and opinions from our video game industry experts.
Flash Games
Take a break and choose from over 5,000 free, fun, and fanatically addictive flash games to play online.
Cheats & FAQs
We've got the largest collection of cheats, tips, hints, glitches, unlocks, FAQs, guides, and walk-throughs.
Web Directory
Browse and search through our hand-picked directory of thousands of video game websites.
GameRadar has 4 cheats, tips, hints, unlockables, and FAQs for All-Star Tennis '99 for N64.
Visit CheatCodes.com for more All-Star Tennis '99 cheats, or to submit your own cheat codes, hints, unlockables, or FAQs for All-Star Tennis '99 for Nintendo 64.
2 SDLSNP 3 DCDWTP 4 SPLGZW 5 DQRFKW 6 PSQQLW 7 NBGJVX 8 VKPDMX 9 SDKNSX 10 PVBWGJ 11 NWVCHJ 12 DFSTBV 13 PNRVPZ 14 NGQDCZ 15 VRGBNZ 16 SVPQQZ 17 DXKXZC
CLAW-Egypt Fodder in multi-player mode GOLDENPIE-Cheat mode GODLY-Invincibility GODDESS-Female trooper in multi-player mode HIDEANDSEEK-Invisibility LEGGY-Hive guard in multi-player mode LOADED-All weapons RUBBER-Volcano guard in multi-player mode SORTED-Unlimited ammunition SKIPPY-Level select SONIC-Fast running. This allows running to be done at twice normal speed. SKETCHY-Pen and ink mode. This allows the game to be played without any texture mapped polygons, which gives it a hand drawn appearance. UGLY-Hive Fodder in multi-player mode
North American Version P1 Press L For P1 Score Modifier D016E1D1 0020 801C7260 00?? P1 Press R For P2 Score Modifier D016E1D1 0010 801C7261 00?? Aces Modifier P1 811687B2 ???? Double Faults Modifier P1 8116E296 ???? Points Won Modifier P1 81147C58 ???? Fastest Serve Modifier P1 81167388 ???? Games Won Modifier P1 801BBFA2 00?? P2 Press L For P1 Score Modifier D016E1D7 0020 801C7260 00?? P2 Press L For P1 Score Modifier D016E1D7 0010 801C7261 00?? Aces Modifier P2 811687B4 ???? Double Faults Modifier P2 8116E298 ???? Points Won Modifier P2 81147C5A ???? Fastest Serve Modifier P2 8116738A ???? Games Won Modifier P2 801BBFA3 00?? Quantity Digits to Accompany Score Modifier Codes 00 - 0 15 - 15 30 - 30 40 - 40 European and Australian (PAL) Version One Set to Win Game P1 301BAEB1 0006 Cannot Win Any Sets P1 301BAEB1 0000 One Set to Win Game P2 301BAEB2 0006 Cannot Win Any Sets P2 301BAEB2 0000