If you’re looking to perfect each stage in the StreetPass Mii Plaza game, Mii Force, like me. Then I’ve prepared a rundown of the gems that we can earn/get in all of the stages of the game. This was taken from the Gamefaqs guide created by Gamefaqs user, Valen-Stein.
Planet Leisura
Platinum Beach 1-1
| Target Score | 30000 |
| Location | |
|---|---|
| Gem 1 | Defeat the UFO that carries it early in the stage. |
| Gem 2 | Defeat the three UFOs coming from above before entering the Cave. |
| Gem 3 | Kill both hermit crabs on the center rock just after you enter the Cave. |
| Gem 4 | Destroy the prism in the cave. Shoot the blocks to open the way. |
| Gem 5 | Wipe out the bird enemies that appear at the end of the stage. |
| Invincibility | Carried by UFO after exiting the Cave. (After Gem 4) |
| Recommended Color | Any |
| Notes: Destroying the two rows of enemies simultaneously before the cave earns bonus points | |
Dunewatch Castle 1-2
| Target Score | 38000 |
| Location | |
|---|---|
| Gem 1 | Destroy the prism on the right when the screen scrolls up. |
| Gem 2 | Wipe out the flock of birds that appear when the screen scrolls right. |
| Gem 3 | Behind the blocks when the screen scrolls up again. |
| Gem 4 | Wipe out the flock of birds that appear when the screen scrolls right again. |
| Gem 5 | Defeat the enemy UFO coming from behind. Do this quickly. |
| Invincibility | Carried by UFO surrounded by red enemies when screen scrolls right again. (After Gem 4) |
| Recommended Color | Light Blue to clear enemies and fireballs fast |
| Notes: None | |
Cerulean Tower 1-3
| Target Score | 30000 |
| Location | |
|---|---|
| Gem 1 | Destroy the first medium-sized ship when the screen scrolls right. |
| Gem 2 | Destroy the prism that appears after the second medium-sized ship. |
| Gem 3 | Destroy the second medium-sized ship that comes after the first ship. |
| Gem 4 | Destroy the third medium-sized ship that appears when the screen scrolls up. |
| Gem 5 | Wipe out all the small fish that rushes from under just before the boss. |
| Invincibility | Carried by UFO after the third medium-sized ship. (After gem 4) |
| Recommended Color | Light Blue to clear missiles shot by the ships. |
| Notes: None | |
Planet Roohin
Ragnablock Chasm 2-1
| Target Score | 28000 |
| Location | |
|---|---|
| Gem 1 | At the first fork path, the gem will be on the right. Avoid the falling blocks. |
| Gem 2 | After passing the 1st gate, destroy the prism in the very top left. |
| Gem 3 | Near the invincibility item, destroy the prism in the very bottom left. |
| Gem 4 | Hit the switch on the far left and on the top to open a gate. Destroy the prism. |
| Gem 5 | Held by a UFO right before the boss. |
| Invincibility | Carried by UFO after passing the first gate. (After Gem 2) |
| Recommended Color | Brown to destroy blocks quickly by close range spikes. |
| Notes: Destroy the blocks to earns more points. | |
Roohin Plaza 2-2
| Target Score | 29000 |
| Location | |
|---|---|
| Gem 1 | Destroy the prism in the upper right. |
| Gem 2 | Destroy the prism in the lower left. |
| Gem 3 | Destroy all enemies that arrive from the first North wave. |
| Gem 4 | Destroy the North and East wave after getting invincibility. |
| Gem 5 | Destroy all the red mini tanks that appear from the North and South. |
| Invincibility | Carried by UFO located in the south. (After Gem 3) |
| Recommended Color | Red to clear enemies and to stun the boss. |
| Notes: The boss is can be stun with Red (Flames). | |
Slitherstone Ruins 2-3
| Target Score | 30000 |
| Location | |
|---|---|
| Gem 1 | Destroy the prism that appears after third rock snake. |
| Gem 2 | Destroy all rock snakes that are moving in circles |
| Gem 3 | Destroy the prism on the lower path (Accessible by hitting switches on the bottom with (Black, Pink, Light-Green, or Blue) |
| Gem 4 | Destroy the two rock snakes that appear after the area with the vines. |
| Gem 5 | Carried by a UFO just right before the boss room. |
| Invincibility | Carried by UFO that appears as the screen scrolls diagonally. (After Gem 1) |
| Recommended Color | Black to 1-hit KO rock snakes by shooting their head and to stun the boss. |
| Notes: Rock snakes can only be taken out by shooting its mouth. Black can be shot at its head. | |
Planet Amyuzia
Parade o’ Plunder 3-1
| Target Score | 34000 |
| Location | |
|---|---|
| Gem 1 | Destroy the Gold Bone statue. |
| Gem 2 | Destroy the prism that appears after the second ghost. |
| Gem 3 | Inside the cage surrounded by circling ghosts. (Requires Lv 3 light green) |
| Gem 4 | Defeat the 3 circling bats at the far right dead-end. |
| Gem 5 | Destroy the bosses simultaneously. Position yourself in between them so they shoot each other with fireballs. |
| Invincibility | Inside the prism which is blocked by a coffin. Destroy the prism. (After Gem 3) |
| Recommended Color | Light Green to kill ghosts and to get 3rd gem. White or Brown to block plasma bullets from boss. |
| Notes: | |
Bone Rattler 3-2
| Target Score | 31000 |
| Location | |
|---|---|
| Gem 1 | Take the lower path (do not shoot the 1st direction arrow), and destroy the UFO enemies that appear after the jump. |
| Gem 2 | On the lower path, destroy all the red bone enemies that appear from the left. |
| Gem 3 | Before the second rail change, destroy all oncoming enemies from the right. |
| Gem 4 | Take the 2nd lower path (do not shoot the 2nd direction arrow), destroy all four large ships that attack you. |
| Gem 5 | (Lower path only) Destroy all red UFOs that surround you near the end of the stage. |
| Invincibility | Destroy the three UFOs that appear after the 2nd lower path. (After Gem 3) |
| Recommended Color | Light Blue Lv 3 to clear enemies and missiles. Bring many pods. |
| Notes: You will remain in the center column for the duration of the stage. You can move up and down. | |
Wheels of Woe 3-3
| Target Score | 35000 |
| Location | |
|---|---|
| Gem 1 | Destroy the prism that appears after entering Ferris Wheel area. |
| Gem 2 | Defeat a flying UFO flying to the top that carries a prism. |
| Gem 3 | Destroy the two Red Ferris Wheels. |
| Gem 4 | Destroy the last 2 Ferris wheels simultaneously. (Strategy) Use invincibility and two Lv 2 or 3 Orange positioned up and down. Shoot while in between them. |
| Gem 5 | Destroy the ship that appears before the boss. |
| Invincibility | Inside a prism carried by a UFO after the two red Ferris Wheels. (After Gem 3) |
| Recommended Color | Level 3 Orange to hit Ferris Wheel center. |
| Notes: Ferris Wheels can be taken out by destroying the center piece. Destroying turrets is optional. | |
Planet Aquatis
Nautilus Nest 4-1
| Target Score | 38000 |
| Location | |
|---|---|
| Gem 1 | Destroy the prism under the 2nd underwater current. (Do not touch the current) |
| Gem 2 | After the 5 large snails, move up then immediately left and destroy the prism. Avoid the incoming current from the right. |
| Gem 3 | Destroy the prism in the rock. Use lv 3 light green to grab it. |
| Gem 4 | Destroy the enemies in the Circling Current area. (Use current to go in circles). |
| Gem 5 | Found on the top after getting invincibility. |
| Invincibility | Carried by UFO when the screen scrolls left. (After gem 4) |
| Recommended Color | Light Green Lv 3 to kill snails and grab gems. |
| Notes: Touch an underwater current and you’ll be force-carried with the flow. | |
Amethyst Atoll 4-2
| Target Score | 30000 |
| Location | |
|---|---|
| Gem 1 | Destroy the UFOs that appears in the south during the first West wave. |
| Gem 2 | Break the Gem in the lower left corner. |
| Gem 3 | Destroy all enemies after grabbing the invincibility item. (Stay in machine center) |
| Gem 4 | Destroy the North&West Wave that appear. |
| Gem 5 | Destroy all of the red tanks at the end of the stage, before the boss. |
| Invincibility | In a bubble after the North & West Wave (After Gem 4, Before Gem 3). |
| Recommended Color | Light Blue to kill mobs and clear fireballs from boss. |
| Notes: Gem 4 is obtained before Gem 3. You’ll be bounced back when touching bubbles or orbs. | |
Prospector’s Trench 4-3
| Target Score | 40000 |
| Location | |
|---|---|
| Gem 1 | Destroy the second sub to grab the gem underneath it. |
| Gem 2 | Carried by UFO between two submarines, before the screen scrolls down. |
| Gem 3 | Destroy the two subs at the bottom of the downward scrolling section simultaneously. One of the trickiest gems to get. Use two Lv 3 light green for best results. |
| Gem 4 | After the pursuing sub crashes, kill the 5 hermit crabs before they burrow away. |
| Gem 5 | Destroy the two submarines that appear after the invincibility item. Destroy the bottom one first then the top one quickly. Use the invincibility item. |
| Invincibility | In a bubble after the 5 hermit crabs. (After Gem 4) |
| Recommended Color | Pink to hit boss weak point easily. |
| Notes: Starfish will cover one of your weapons. Switch to Brown to destroy them. The boss has 3 forms. The first form spits out tons of bubbles. | |
Streetpass Galaxy
GB-1 Space Dock 5-1
| Target Score | 54000 |
| Location | |
|---|---|
| Gem 1 | Destroy the 2 large ships before they are destroyed by the circular saw. |
| Gem 2 | Destroy the prism in the room with circular two saws. Use the pits to dodge the saws. |
| Gem 3 | Hit the switch to unlock the gate. Destroy the prism. (Use blue, pink, black, or Lv 3 light green to hit the switch) |
| Gem 4 | Hit the top switch then the bottom switch to unlock the gate. Destroy the prism. The top switch is guarded by a Proximity block. |
| Gem 5 | Destroy ALL UFOs that appear after grabbing invincibility. |
| Invincibility | Carried by UFO after being surrounded by UFOs appearing from N.E.S.W.(After gem 4) |
| Recommended Color | Light Blue to kill mobs. Blue to hit switch and home in on enemies. |
| Notes: Proximity Blocks, blocks with an X on them, will pop up when you’re near them or stay in the background when you’re away from them. Can use them to block attacks. | |
GB-1 Central Core 5-2
| Target Score | 49000 |
| Location | |
|---|---|
| Gem 1 | In the Gate room with Gold UFOs, destroy the 3 normal UFOs carrying prisms. |
| Gem 2 | Destroy the two large ships simultaneously. Use the invincibility item. |
| Gem 3 | Take the right fork guarded by a large ship. Destroy the prisms. |
| Gem 4 | Hit the switch behind the closing shutter. Head down and destroy the prism. |
| Gem 5 | Carried by a UFO in the left when you’re trapped between two closing shutters. Destroy the right wall and defeat the UFO. |
| Invincibility | Carried by UFO after the 2nd orange dot machine room. (After Gem 1) |
| Recommended Color | Orange Lv 3 to destroy orange dots and bypass boss shield. |
| Notes: The turning wheels require you to destroy the orange dots inside. | |
Goldie VII 5-3
| Target Score | 52000 |
| Location | |
|---|---|
| Gem 1 | Destroy both lines of guns at the first paused of the stage. |
| Gem 2 | Destroy the smaller guns on the left and right before taking out the main gun. |
| Gem 3 | Defeat the UFO with the prism that appears behind the 2nd large ship. Be very quick. |
| Gem 4 | Destroy the 3rd large ship with the shield. |
| Gem 5 | Destroy the Gold UFOs that appear after the invincibility item. |
| Invincibility | Carried by a UFO. (After Gem 4) |
| Recommended Color | Any |
| Notes: Bring many pods. At the start of the Boss fight, immediately move to the center to avoid fists. | |
So there you have it! Good luck cadets!