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A surreal and very original game by Geoff Crammond.

The game plays out on a 3D landscape with hills and valleys made up of several levels. At the highest vantage point stands The Sentinel, a statue-like being with an energy draining stare, you begin at the lowest. "Energy" plays an important role, there's a constant amount in the game world and each object is worth a certain number of units - including you.

The object of each level is to absorb The Sentinel and Hyperspace to the next from his vantage point.

The Sentinel scans further round the landscape every few seconds - if you're caught in his gaze, or rather the square you are standing on can be seen, you'll have about 5 seconds to teleport to another location (or hit a key to teleport to a random location - which will never be higher, and may be lower than your current level) before the Sentinel begins absorbing your energy, when it reaches zero you will be destroyed. To travel a "robot hull" must be created on a visible square then teleported to, making sure you absorb your old hull to avoid losing energy. Boulders and trees can also be created, trees to block The Sentinels view and boulders can be stacked to gain higher ground.

There are a few other elements to the game - on later levels there will be other Sentries positioned around the landscape. If only part of you can be seen i.e. not the square you are standing on, a nearby tree can be changed into a "Meanie" which will ultimately force you to teleport. There are 9999 levels in the game but the next level number is based on the current level + how much energy you have remaining.

Sentinel Returns is a remake very true to the original.


The Sentry DOS Ascend the pink steps to take out the sentry
The Sentry Amiga Title screen
The Sentry ZX Spectrum Title screen
The Sentry DOS Level code entry

Promo Images

There are no promo images for this game

Alternate Titles

  • "The Sentinel" -- UK title

Part of the Following Group

User Reviews

There are no reviews for this game.

Critic Reviews

WIZ Commodore 64 Nov, 1991 98 out of 100 98
Amtix! Amstrad CPC Apr, 1987 98 out of 100 98
ACE (Advanced Computer Entertainment) Amiga Aug, 1988 963 out of 1000 96 (UK) Commodore 64 Oct 26, 2007 9 out of 10 90
Commodore User Commodore 64 Jan, 1987 9 out of 10 90
Computer Gamer BBC Micro Dec, 1986 90 out of 100 90
Computer and Video Games (CVG) BBC Micro Jan, 1987 9 out of 10 90
Power Play Commodore 64 1989 84 out of 100 84
ASM (Aktueller Software Markt) Commodore 64 Mar, 1987 9.2 out of 12 77
ASM (Aktueller Software Markt) Atari ST Mar, 1987 9.2 out of 12 77


Topic # Posts Last Post
The Sentinel - a sub-text 1 Rupert Breheny (123)
Mar 23, 2016
remake of The Sentinel: "Zenith" 5 xroox (3970)
Jul 08, 2007


1001 Video Games

The Sentinel appears in the book 1001 Video Games You Must Play Before You Die by General Editor Tony Mott.

Amiga port

Steve Bak on his Amiga port of The Sentinel:

Basically it’s still the Atari ST version on the Amiga. I looked at the ST code and didn’t change much. When the code finishes drawing a frame, a subroutine of mine kicks in and turns it into the Amiga’s data format. This happens so fast that nobody will notice a difference.


  • ACE
    • October 1988 (issue #13) - Included in the Top-100 list of 1987/1988 (editorial staff selection)
    • March 1991 (issue #42) - Included in the list Greatest Games of all Time in category Original Games (editorial staff choice)
  • Amiga Power
    • May 1991 (Issue #00) - #20 in the "All Time Top 100 Amiga Games"
  • Commodore Format
    • June 1991 (Issue 9) - listed in the A to Z of Classic Games article (Great)
  • Happy Computer
    • Issue 01/1988 - Best Strategy Game in 1987
  • Power Play
    • 1987 - Best CPC Game '87
    • 1987 - #2 Best Spectrum Game '87
  • ST Format
    • May 1990 (Issue #10) - Included in the list "ST Format's 30 Kick-Ass Classics"
  • Zzap!
    • January 1990 (Issue 57) – 'The Best Games of the 80's Decade' (Stuart Wynne / Phil King)

Contributed to by Jack Lightbeard (2707) and Terok Nor (27208)