This is a list of games for the Bandai WonderSwan handheld video game system, organized alphabetically by name, with the catalog number where known. The system and its games were not released outside Japan. There are 109[a] games released on the original Wonderswan and they are compatible on every version of Wonderswan.
| Title | Developer | Publisher | Release dates |
|---|---|---|---|
| Anchorz Field | Sammy Corporation | Sammy Corporation | June 24, 1999 |
| Armored Unit | Sammy Corporation | Sammy Corporation | November 18, 1999 |
| Bakusou Dekotora Densetsu for WonderSwan | KID | Kaga Tech | December 29, 1999 |
| Beatmania for WonderSwan | Konami | Konami | April 28, 1999 |
| Buffers Evolution | Koto Laboratory | Bandai | December 9, 1999 |
| Cardcaptor Sakura: Sakura to Fushigi na Clow Card | SIMS Co., Ltd. | Bandai | December 2, 1999 |
| Chaos Gear ~Michibika reshi mono~ | Bandai | June 10, 1999 | |
| Chocobo no Fushigi na Dungeon for WonderSwan | TOSE | Bandai | March 4, 1999 |
| Chō Aniki: Otoko No Tamafuda | CP.BRAiN | Bandai | February 10, 2000 |
| Chou Denki Card Battle "Yōfu Makai" Kikuchi Hideyuki | Kobunsha | Kobunsha | December 16, 1999 |
| Clock Tower for WonderSwan | Kaga Tech | December 9, 1999 | |
| Crazy Climber | Nihon Bussan | Nihon Bussan | July 29, 1999 |
| Densha de Go! | Taito | Taito | March 4, 1999 |
| Densha de Go! 2 | Taito | Cyber Front | October 7, 1999 |
| Digimon Adventure: Anode Tamer | SIMS Co., Ltd. | Bandai | March 4, 1999 |
| Digimon Adventure: Cathode Tamer | Bandai | January 20, 2000 | |
| Digimon Adventure 02: D1 Tamers | SIMS Co., Ltd. | Bandai | August 3, 2000 |
| Digital Monster Ver.WonderSwan | SIMS Co., Ltd. | Bandai | March 25, 1999 |
| Digital Partner | Bandai | May 25, 2000 | |
| Dokodemo Hamster | Beck | Beck | January 6, 2000 |
| D's Garage21 Kōbo Game: Tane o maku tori | Avit, Inc. | Bandai | December 22, 1999 |
| Engacho! for WonderSwan | Nihon Application | Nihon Application | October 28, 1999 |
| Fever Sankyo Koushiki Pachinko Simulation for WonderSwan | Beck | Beck | March 4, 1999 |
| Final Lap 2000 | Soft Machine | Bandai | March 23, 2000 |
| Fire Pro Wrestling for WonderSwan | S-Plan Corporation | Kaga Tech | August 31, 2000 |
| Fishing Freaks: Bass Rise for Wonder Swan | Beck | February 24, 2000 | |
| From the TV Animation:One Piece ~Mezase Kaizokuou!~ | Soft Machine | Bandai | July 19, 2000 |
| Ganso JaJaMaru-kun | Jaleco | Jaleco | April 15, 1999 |
| Glocal Hexcite | Success | Success | June 29, 2000 |
| Gomokunarabe & Reversi Tōryūmon | Sammy Corporation | sammy Corporation | January 13, 2000 |
| Gorakuou Tango! | Mobius | April 1, 1999 | |
| Gunpey | Koto Laboratory | Bandai | March 4, 1999 |
| Hanafuda Shiyouyo | Success | February 17, 2000 | |
| Harobots | Sunrise Interactive | October 7, 1999 | |
| Hunter × Hunter: Ishi o Tsugu Mono | Yoshidayama-Workshop Co., Ltd | Bandai | June 1, 2000 |
| Kakutō Ryōri Densetsu: Bistro Recipe -Wonder Battle Hen- | Banpresto | Banpresto | September 30, 1999 |
| Kaze no Klonoa: Moonlight Museum | Namco | Bandai | May 20, 1999 |
| Keiba Yosō Shien Soft: Yosō Shinkaron | Beck | Beck | September 14, 1999 |
| Kiss Yori... -Seaside Serenade- | KID | KID | December 2, 1999 |
| Kosodate Quiz Dokodemo My Angel | Bandai | April 15, 1999 | |
| Kyousouba Ikusei Simulation: Keiba | Beck | Beck | November 18, 1999 |
| Langrisser Millennium WS: The Last Century | CP.BRAiN | Bandai | March 1, 2000 |
| Last Stand | Soft Machine | Bandai | May 27, 1999 |
| Lode Runner for WonderSwan | Aisystem Tokyo | Banpresto | April 20, 2000 |
| Macross: True Love Song | Lay-Up | Lay-Up | March 23, 2000 |
| Magical Drop for WonderSwan | Gai Brain Y K | Data East | October 14, 1999 |
| Mahjong Tōryūmon | Sammy Corporation | March 11, 1999 | |
| Makaimura for WonderSwan | Team OX (Marubatsu-gumi, Ltd) | Bandai | July 22, 1999 |
| Medarot Perfect Edition (Kabuto Version) | Imagineer | May 4, 1999 | |
| Medarot Perfect Edition (Kuwagata Version) | Imagineer | May 4, 1999 | |
| Meitantei Conan: Majutsushi No Chousenjou | Tomcat System | Bandai | August 5, 1999 |
| Meitantei Conan: Nishi No Meitantei Saidai No Kiki!? | Tomcat System | Bandai | July 27, 2000 |
| Metakomi Therapy: Nee Kiite! | Media Entertainment | Media Entertainment | March 1, 2000 |
| Mingle Magnet | Hull Corporation | Hull Corporation | November 2, 1999 |
| Mobile Suit Gundam MSVS | Bandai | August 26, 1999 | |
| Moero!! Pro Yakyuu Rookies | TOSE | Jaleco | March 30, 2000 |
| Morita Shogi for WonderSwan | Yuki Enterprise | Yuki Enterprise | December 22, 1999 |
| Nazo-Oh Pocket | Avit, Inc. | Bandai | November 18, 1999 |
| Neon Genesis Evangelion: Shito Ikusei | Gainax | Bandai | July 22, 1999 |
| Nice On | Aisystem Tokyo | Sammy Corporation | April 8, 1999 |
| Nihon Pro Mahjong Renmei Kōnin Tetsuman | Chat Noir / Naxart | Kaga Tech | July 15, 1999 |
| Nobunaga no Yabō for WonderSwan | Koei | Koei | March 11, 1999 |
| O-Chan no Oekaki Logic | Santaclaus | Sunsoft | January 6, 2000 |
| Pocket Fighter | Soft Machine | Bandai | April 6, 2000 |
| Pro Mahjong Kyoku for WonderSwan | Athena | Athena | October 7, 1999 |
| Puyo Puyo 2 | Compile | Bandai | March 11, 1999 |
| Puzzle Bobble | Yoshidayama-Workshop Co., Ltd | Sunsoft | July 1, 1999 |
| Rainbow Islands: Putty's Party | Digitalware | Megahouse | June 29, 2000 |
| Ring: Infinity | Kadokawa Shoten | Kadokawa Shoten | August 10, 2000 |
| Robot Works | Bandai | August 4, 1999 | |
| Rockman & Forte Mirai kara no Chōsensha | Layup Co., Ltd. | Bandai | March 4, 1999 |
| Sangokushi for WonderSwan | Koei | April 1, 1999 | |
| Sangokushi II | Koei | Koei | April 6, 2000 |
| SD Gundam: Emotional Jam | Bandai | May 27, 1999 | |
| SD Gundam: Gashapon Senki -Episode One- | Graphic Research Co., Ltd | Bandai | December 29, 1999 |
| SD Gundam: G Generation Gather Beat | Banpresto | Banpresto | July 13, 2000 |
| Senkaiden: TV Animation Senkaiden Houshin Engi Yori | Graphic Research Co., Ltd | Bandai | February 24, 2000 |
| Sen'nō Millennium | Kouyousha Ltd | Bandai | March 16, 2000 |
| Shanghai Pocket | Sunsoft | April 1, 1999 | |
| Shin Nihon Pro Wrestling: Tōkon Retsuden | TOSE | Tomy | March 4, 1999 |
| Shōgi Tōryūmon | Sammy Corporation | Sammy Corporation | October 28, 1999 |
| Side Pocket for WonderSwan | Data East | Data East | November 25, 1999 |
| Slither Link | Tomcat System | Bandai | April 20, 2000 |
| Soccer Yarou!: Challenge The World | Coconuts Japan | August 12, 1999 | |
| Sotsugyō for WonderSwan | Bandai | December 16, 1999 | |
| Space Invaders | Sunsoft | May 13, 1999 | |
| Super Robot Taisen Compact | TOSE | Banpresto | April 28, 1999 |
| Super Robot Taisen Compact 2 Dai1bu: Chijō Hadō Hen | TOSE | Banpresto | March 30, 2000 |
| Super Robot Taisen Compact 2 Dai2bu: Uchuu Gekishin Hen | TOSE | Banpresto | June 29, 2000 |
| Super Robot Taisen Compact 2 Dai3bu: Ginga Kessen-hen | TOSE | Banpresto | January 18, 2001 |
| Taikyoku Igo Heisei Kiin | Success | Success | February 24, 2000 |
| Tanjo: Debut for WonderSwan | Bandai | February 24, 2000 | |
| Tarepanda no Gunpey | Koto Laboratory | Bandai | December 9, 1999 |
| Tekken Card Challenge | Namco | Bandai | June 17, 1999 |
| Terrors | Bandai | August 5, 1999 | |
| Tetsujin 28-go | Megahouse | Megahouse | December 22, 1999 |
| Time Bokan Series: Bokan Densetsu: Buta mo Odaterya Doronboo | Alpha Unit | Banpresto | April 27, 2000 |
| Tokyo Majin Gakuen: Fuju Hōroku | Asmik Ace | October 12, 2000 | |
| Trump Collection: Bottom Up Teki Trump Seikatsu | Bottom Up | Bottom Up | July 1, 1999 |
| Trump Collection 2: Bottom Up Teki Sekai Isshuu no Tabi | Bottom Up | Bottom Up | September 28, 2000 |
| Turntablist: DJ Battle | Vestax | Bandai | November 25, 1999 |
| Umitsuri ni ikou! | Coconuts Japan | April 1, 1999 | |
| Uzumaki: Denshi Kaiki Hen | Omega Mikotto | Omega Mikotto | February 3, 2000 |
| Uzumaki: Noroi Simulation | OMega Mikotto | Omega Mikotto | March 4, 2000 |
| Vaitz Blade | Bandai | June 24, 1999 | |
| Wasabi Produce - Street Dancer | Bandai | April 27, 2000 | |
| Wonder Stadium | TOSE | Bandai | March 11, 1999 |
| Wonder Stadium '99 | Namco | Bandai | September 30, 1999 |
| WonderSwan Handy Sonar | Bandai | May 13, 1999 |