Defenders of the Earth
ENIGMA VARIATIONS 
April - May 90

| ALL | 
| 17 | 
| Apr 90 | 
Sources
(click here for more information on the data shown below)
All Formats (Full Price) (Gallup)
| 17 | WEEK to 90-04-28 | South Wales Echo p38 90-05-19 | |
HI-TEC 
January - May 91

| ZX | C64 | CPC | 
| 3 | 20 | 8 | 
| Jan 91 | Feb 91 | Apr 91 | 
Sources
(click here for more information on the data shown below)
Amstrad (Gallup)
| 9 | MONTH to c.91-03-15 | CVG #114 p66 May 91 91-04-14 | |
| 8 | 4 WEEKS to c.91-04-06 | AmCU #79 p29 Jun 91 91-05-01 | |
| 18 | MONTH to c.91-04-15 | CVG #115 p74 Jun 91 91-05-11 | |
| 20 | 4 WEEKS to c.91-05-04 | AmCU #80 p33 Jul 91 91-06-05 | |
| 20 | MONTH to c.91-02-15 | CVG #113 p61 Apr 91 91-03-16 | |
| 3 | MONTH to c.91-02-15 | CVG #113 p62 Apr 91 91-03-16 | |
| 19 | MONTH to c.91-03-15 | CVG #114 p66 May 91 91-04-14 | |
| 3 | MONTH to c.91-01-26 | SU #110 p32 Apr 91 91-03-18 | |
| 9 | MONTH to c.91-01-26 | YS #65 p18 May 91 | |
