Atomic Runner Chelnov Sharp X68000 DEMO Prototype Disk + Complete Box Micomsoft. Atomic Runner Chelnov – Tatakau Ningen Hatsudensho (アトミックランナー・チェルノブ 戦う人間発電所) Original Sharp X68000 version of the classic Data East arcade game, released in 1988 by Dempa / Micomsoft as part of the Video Game Anthology Vol.2 series. This copy includes a very rare “Demo Soft” prototype floppy disk (チェルノブ デモソフト), used internally and never sold commercially — a true collector’s item. System: Sharp X68000 Publisher: Dempa / Micomsoft Developer: Data East (1988) Catalog: DP-3205024 Includes: Original box, manual, support card, main game disk and demo/prototype disk Tested & Working: Both floppies boot correctly on an actual X68000 system — main game and demo verified (see title-screen photo). Condition: Excellent overall — light age wear on box, disks clean and fully readable Ultra rare complete set with original Demo/Prototype Disk. Highly sought after by collectors of the X68000, Data East, and Japanese PC vintage gaming history. Note: Due to the age of magnetic media, long-term operation cannot be guaranteed beyond the successful test performed at listing time. Shipping: