Password - Hidden monkeys (U.K. version) | |
| On the title screen, hold R1 + R2 + L1 + L2 then (without letting go) press start. this will bring up the password screen. | |
| Unlocks the RATCH monkey | RATCH |
| Unlocks the BLUE PIPOTRON monkey | blueman |
| Unlocks the RED PIPOTRON monkey | 2nd man |
Password - Ratchet Monkey (European) | |
| Hold the 4 shoulder buttons at the start screen (New, Continue, Options, etc.) and press start to show the password entry screen. | |
| Make a Ratchet monkey appear in the last levels hidden room. | RATCH |
Password - Passwords (jp version) | |
| Press L1+L2+R1+R2+START to enter password screen. All passwords musst be enter in hiragana | |
| Mesaru Gear Solid | yumenokyouen |
| Movie 28 and 2 Cinema Files with Mesaru Gear Cast | futarinosune-ku |
| Survival Mode | sabaibaru |
| Kuro Sennin Ape | kuroihoumonsha |
| SAL-1000 Ape | rusagu-boisa |
| Pigaru Ape | futarimenootoko |
| Gageru Ape | rusarukeka |
| unlocks Ratchet monkey | ginganoraihousha |
Password - Secret Passwords (Chinese Version) | |
| Press L1+R1+L2+R2 at the title screen menu to enter the Secret Password screen. | |
| Unlocks SAL-1000 Ape | 00798001 |
| Unlocks Dark Master | 33483264 |
| Unlocks Survival Mode | 64686697 |
| Unlocks Movie No. 30 | 99876650 |
| Unlocks Mesaru Gear Solid | 04077472 |
| Unlocks a hidden Mesaru Gear Solid Movie | 87797030 |
| Unlocks Sarutimate Fighting | 56014704 |
| Unlocks Ape Olympic | 72396504 |
Password - Secret Passwords (US Version) | |
| Press L1+R1+L2+R2 at the title screen menu to enter the Secret Password screen. | |
| Dark Master is on the loose! | blackout |
| Shimmy is on the loose! | 2nd man |
| Unlocks yellow pipotron | yellowy |
| Unlocks SAL-3000 monkey | SAL3000 |
| Unlocks blue pipotron | coolblue |
| Unlocks SAL-1000 monkey | grobyc |
| Unlocks red pipotron | redman |
| Unlocks monkey that's impersinating spike from AE1 | krops |
| Movie 28 and 2 Cinema Files with Mesaru Gear Cast | 2 snakes |
Easter Egg - Mesal Gear Solid Change Background | |
| At the Mesal Gear Solid title screen press L1 or L2 to change backround. | |
Easter Egg - Changing the title screen animation (JP version) | |
| Whenever you lose a life, game over or captured by a monkey whom stole your net, return to the title screen, and you will find the animation which is normally Satoru and Sayaka chasing the monkey with the net and Stun Club, change role to the opposite side, the Monkeys will chase Satoru and Sayaka using their equipments and their default items. Whether this will work in the US version is curently unknown. | |
Unlockable - Mesal Gear Solid and Sarutimate Fighting unlockables (JP version) | |
| Hard Mode | Finish Mesal Gear Solid once. |
| Secret password "futarinosune-ku" | Collect all 30 monkey tags. |
| Croc cap and infinite items | Rescue all 20 hostages. |
Unlockable - Saru Cinema Studio (JP version) | |
| Watch 8 or more saru movies that you got in the Saru Cinema. Saru Cinema Studio will replace the "X" slot on the Saru Cinema main menu. This mode lets you edit the existing saru movies or create your own. | |
Unlockable - Unlockables | |
| Survival Mode | Capture all apes and catch Specter a second time |
| Mesaru Gear | Buy after catching Specter for 573 credits |
Unlockable - All unlockable mini-games (JP version) | |
| Ape Olympic | Buy this in Hobby Shop for 1500 credits |
| Sarutimate Fighting | Buy this in Hobby Shop for 1500 credits |
| Mesal Gear Solid | Beat the game once and buy this in Hobby Shop for 573 credits |
Unlockable - New title screen (JP version) | |
| Sarugecchu 3 Tatsujin Title | Finish survival mode. |
Unlockable - How to Unlock Monkey Studio(US version) | |
| Monkey Movie Studio | Get all 20 video files |
Unlockable - Unlockable Mini-games(US version) | |
| Monkey Throw Stadium | Achieve 25% or 50% completion |
| Ultim-ape fighter | Achieve 75% completion |
| Mesal Gear Solid | Defeat Specter once |
Unlockable - How to unlock Bonus Morph... | |
| Super Monkey Morph | Beat Specter(finish the game) |
