Under Defeat HD+

The Arcade Video Game by G.Rev

Under Defeat HD+ screenshot


Not emulated in MAME Coin-Operated Arcade Video Game

Under Defeat HD+ © 2013 G.Rev.


Sega Ringedge 2 Hardware

CPU: Intel/AMD Multicore
VDP: R2100 Caustic Series2 Ray Tracing Acceleration card:
Bus: PCIe x8 Gen 2.0 – single height half length
Power: 30 Watts maximum, bus powered (no PCIe external power required)
OS Support: Windows 7 and Vista (32-bit and 64-bit)
On-board memory: 4 Gbytes of scene geometry (up to 60 million triangles)
System memory: same as 3D application (e.g, Maya). For optimal performance all memory channels should be fully populated
Ray-tracing hardware: one Caustic RTU (ray-tracing unit) chip
RAM: 4 – 8GB DDR3
API: PowerVR OpenRL


This installment is HD and the display is now horizontal. Stages are also more detailed and a "New Order" mode adds new elements.
The game was location tested at Club Sega Akihabara, at Club Sega Shinjuku and at Sega Kagurazaka (Tokyo), from 13 April, 2013, to 20 April, 2013.


1. Under Defeat (2005)
2. Under Defeat HD+ (2013)

Game's screenshots.
Official website; http://www.grev.co.jp/udhd/

Page last modified on November 13, 2013