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The Atomiswave is a custom arcade system board and cabinet from Sammy Corporation. It is based on Sega's Dreamcast console (it shares similarities with the NAOMI, as far as it uses removable game cartridges, as well as a removable module for changing the control scheme and it is common to see the "Sega" logo on its boot up screen, it is commonly believed that the Atomiswave has more VRAM and audio RAM than a Dreamcast, but this is not true). The Atomiswave uses interchangeable game cartridges and the cabinet's control panel can be easily switched out with different control sets, including dual joysticks, dual light guns and a steering wheel.
With the retirement of the aging Neo Geo MVS system, SNK Playmore chose the Atomiswave as its next system to develop games for. In a contract with Sammy, SNK Playmore agreed to develop five games for the Atomiswave system. Metal Slug 6 was SNK Playmore's fifth game for the Atomiswave, after which SNK moved on to a Taito Type X2 arcade board.
- CPU: Hitachi SH-4 32-bit RISC CPU 200 MHz
- Graphics processor: PowerVR 2 100 MHz
- Sound processor: ARM7 Yamaha AICA (with internal 32-bit RISC CPU, 64 channel ADPCM) 45 MHz
- System: 16 MB
- Graphics: 16 MB
- Sound: 8 MB
- Storage media: ROM board
In Japan, the Atomiswave was able to connect via a special modem to the AW-Net online system set up by Sammy. The AW-Net was primarily used to play online with other players and to create online player rankings. AW-Net was discontinued on 30 November 2006 following the merger of Sammy and Sega; the follow-up system was ALL.Net.
|Animal Basket||Hustle Tamaire Kyousou||Sammy, Moss||Sports||2005|
|Block Pong Pong||Sammy||Sports||2005|
|Demolish Fist||Sammy, Dimps||Beat 'em up||2003|
|Dirty Pigskin Football||Play Mechanix||Sports||2006|
|Extreme Hunting||Sammy||Lightgun shooter||2005|
|Extreme Hunting 2 Tournament Edition||Sega Amusement USA||Lightgun shooter||2006|
|Faster Than Speed||Sammy||Racing||2004|
|Fist of the North Star||Hokuto No Ken||Sega, Arc System Works||Fighting||2005|
|Guilty Gear Isuka||Sammy, Arc System Works||Fighting||2003|
|Guilty Gear X Version 1.5||Sammy, Arc System Works||Fighting||2003|
|Knights of Valour: The Seven Spirits||Sammy, IGS||Beat 'em up||2003|
|Maximum Speed||Sammy, SIMS||Racing||2003|
|Metal Slug 6||Sega, SNK Playmore||Platformer||2006|
|NeoGeo Battle Coliseum||Sega, SNK Playmore||Fighting||2005|
|Net Select Keiba Victory Furlong||Sammy||Sports||2005|
|Net Select Salary Man Kintarou||Sammy||Mahjong||2004|
|Ranger Mission||Sammy||Lightgun shooter||2004|
|Samurai Shodown VI||Samurai Spirits Tenkaichi Kenkakuden||Sega, SNK Playmore||Fighting||2005|
|Sega Bass Fishing Challenge||Sega Amusement USA||Sports||2009|
|Sega Clay Challenge||Sega Amusement USA||Lightgun shooter||2008|
|Sports Shooting USA||Sammy||Lightgun shooter||2003|
|The King of Fighters Neowave||Sammy, SNK Playmore||Fighting||2004|
|The King of Fighters XI||Sega, SNK Playmore||Fighting||2005|
|The Rumble Fish||Sammy, Dimps||Fighting||2004|
|The Rumble Fish 2||Sega, Dimps||Fighting||2005|
|Wai Wai Drive||Sammy||Action||2005|
- Sushi Bar (Sammy, 2003)
- Premier Eleven (Sammy/Dimps, 2003)
- Chase 1929 (Sammy, 2004)
- Force Five (Sammy, 2004)
- Kenju (Sammy / DreamFactory, 2004)
- "Dreamcast Atomiswave Ports". RetroRGB. 2020. Retrieved 2020-12-01.
- Perez, George (November 19, 2020). "Arc System Works' Fist of the North Star & Demolish Fist have been ported to SEGA Dreamcast". SEGAbits. Archived from the original on 2020-11-20. Retrieved 2020-11-20.
- Perez, George (November 16, 2020). "Shoot 'em up 'Dolphin Blue' arcade gets SEGA Dreamcast port". SEGAbits. Archived from the original on 2020-11-17. Retrieved 2020-11-17.
- Perez, George (November 14, 2020). "'Faster Than Speed' is the newest SEGA Dreamcast Atomiswave port". SEGAbits. Archived from the original on 2020-11-15. Retrieved 2020-11-14.
- Perez, George (November 24, 2020). "Guilty Gear Isuka and Rumble Fish 2 have now been ported to SEGA Dreamcast". SEGAbits. Archived from the original on 2020-11-24. Retrieved 2021-01-29.
- "Maximum Speed for the Sega Dreamcast – Atomiswave conversion from YZB". arcadepunks.com. Arcade Punks. November 16, 2020. Archived from the original on 2020-11-17. Retrieved 2020-11-17.
- Verdin, Guillaume (February 16, 2021). "Kenju, un inédit de l'arcade ressuscité sur Dreamcast". MO5.com (in French). Association MO5.COM. Archived from the original on 2021-02-27. Retrieved 2021-02-27.