IPM Invader, the Space Invaders clone.

IPM Invader

The purpose of this site is to document as much information on the little known Space Invaders rip off, IPM Invader. For those who are not aware of IPM Invader, it is the game that has a 'coffee break' after every 3 waves of invaders. This has always fascinated me and I enjoyed reaching the 'coffee break' when I was young.


Manufacturer	Year	Type	Players / Control	Monitor Information
IPM* / IREM	1978-79˜	Shooter/Space	2 Alternating / 2 way joystick	Raster. Vertical. screen aspect: 3 x 4. resolution x: 224 pixels. resolution y: 240 pixels. colors used: 8.

		http://www.mame.dk/gameinfo/ipminvad/?login=confirmed&spoil=4158
		http://www.klov.com/game_detail.php?letter=I&game_id=8175
		http://www.klov.com/game_detail.php?letter=C&game_id=7274
		http://www.tcn.ne.jp/~yaso/gamedb/year/1979_1.html
		http://gamebase.retrogames.com/sysirem.htm
		http://www.mv.com/ipusers/paquette/arcade/invader/invader.html
		http://targets.mame.net/irem.html
		http://www.ampress.co.jp/takaishokai/stocklist.htm
		http://openlab.jp/kitaro/natsupaso/_ARCADE/H2K.htm
		http://www.uvlist.com/gameinfo/103453
		http://www8.plala.or.jp/takebo/kaikoka.html
		http://www.geocities.co.jp/Playtown-Bingo/7208/ipmin.htm
		http://daifron.gtr.to/game/invaders.html
		http://bbs.infoseek.co.jp/Board03?user=mimuka
		http://www.tcn.ne.jp/~yaso/gamedb/year/1976-1978_1.html
		http://www1.odn.ne.jp/beni/game/invader/ipm_inv.html
		http://www.ipc-tokai.or.jp/~kens/g_ai.html
		http://www1.odn.ne.jp/beni/game/list.html
		http://mame.computergames.ro/_games/ipminvad/
		http://coinop.org/g.aspx/101818/IPM_Invader.html
		http://www.rabbitstaff.com/pongkang/arcade/inv.html
		http://caesar.logiqx.com/html/emus/multi/mame/ipminvad.shtml
		http://gamebase.retrogames.com/game1979.htm
		http://www.benhur.net/mame/1-i.html
		http://www.greatgamedatabase.com/GGDB/Details.asp?VID=1350&s=IPM+Invader
		http://www.mame.net/screenshotsI.html
		http://geocities.com/thepinnyparlour/index.htm
		http://targets.mame.net/mostwanted.html
		http://www.geocities.co.jp/Playtown-Denei/1004/blackbox/invader.html
		http://www.spies.com/~arcade/info/JimsDB.txt
		http://www.spies.com/~arcade/info/IremBoardList.txt
		http://www.andysarcade.net/personal/tech/IPM/IPMinvader.htm
		http://www.thepinnyparlour.com

The information on this site would not have been available without the knowledge of others. Thanks goes to all people who created the web sites above in the links section.

Thanks go to Carmel Morris for supplying me with photos of an original IPM Invader.

Special thanks goes to Geoff, John , and Andrew for providing valuable technical data and knowledge.

Thanks to DisQo and yohansen for the LAI IPM Invader Manual & Schematics.

Thanks to Jomac for more technical information.

Thanks to dezbaz for shopping the original instruction card.