Accomplish the indicated achievement to get the corresponding number of Gamerscore points:

Dig Dug

2 Enemies (10 points): Crush 2 enemies with one rock.
4 Enemies (20 points): Crush 4 enemies with one rock.
Dig (15 points): Dig through the entire area on any Round.
Carrot (5 points): Obtain the Carrot that appears after dropping 2 rocks in a certain Round.
Turnip (10 points): Obtain the Turnip that appears after dropping 2 rocks in a certain Round.
Mushroom (10 points): Obtain the Mushroom that appears after dropping 2 rocks in a certain Round.
Cucumber (15 points): Obtain the Cucumber that appears after dropping 2 rocks in a certain Round.
Eggplant (15 points): Obtain the Eggplant that appears after dropping 2 rocks in a certain Round.
Green Pepper (20 points): Obtain the Green Pepper that appears after dropping 2 rocks in a certain Round.
Tomato (20 points): Obtain the Tomato that appears after dropping 2 rocks in a certain Round.
Watermelon (25 points): Obtain the Watermelon that appears after dropping 2 rocks in a certain Round.
Pineapple (35 points): Obtain the Pineapple that appears after dropping 2 rocks in a certain Round.

Galaga

Stingray (25 points): Find the Stingray during battle.
Scorpion (15 points): Find the Scorpion during battle.
Dual Fighter (5 points): Form a Dual Fighter.
Enemy Fighter (5 points): Shoot down a red captured Fighter.
Perfect Bonus (15 points): Shoot down all enemies in a Challenging Stage.
Dragonfly (10 points): Find the Dragonfly during battle.
Mosquito (20 points): Find the Mosquito during battle.
Galboss (30 points): Find the Galboss during battle.
Blue Spaceship (30 points): Find the Blue Spaceship during battle.
Stage 10 (5 points): Play up to Stage 10.
Stage 20 (10 points): Play up to Stage 20.
Stage 30 (30 points): Play up to Stage 30.

Galaga Legions

Area 1 Clear (5 points): Cleared Area 1.
Area 2 Clear (5 points): Cleared Area 2.
Area 3 Clear (10 points): Cleared Area 3.
Area 4 Clear (10 points): Cleared Area 4.
Area 5 Clear (15 points): Cleared Area 5.
All Championship Areas Clear (25 points): Cleared all areas in Championship mode.
Adventure Area 2 Clear (10 points): Cleared Area 2 in Adventure mode.
Adventure Area 3 Clear (20 points): Cleared Area 3 in Adventure mode.
Adventure Area 4 Clear (30 points): Cleared Area 4 in Adventure mode.
All Adventure Areas Clear (50 points): Cleared all areas in Adventure mode.
Zero Deployments (5 points): Area cleared without deploying any satellites.
One Life Only (15 points): Area cleared without losing a single fighter.

Mr. Driller Online

Amateur Yankee Driller (5 points): Complete the America Stage [500m].
Pro Mummy Driller (10 points): Complete the Egypt Stage [1,000m].
King of Moscow Drillers (15 points): Complete the Russia Stage [3,000m].
God of Arctic Drillers (25 points): Dig 5,000m in the North Pole Stage.
Brainy Quest Genius (20 points): Complete 10 consecutive Quests.
Lifesaving Air Maestro (5 points): Obtain 50 Air Capsules.
Tireless Block Destroyer (15 points): Drill 5,000 Blocks.
Continuous Chain Linker (25 points): Chain 30 Blocks in a row.
Fighting Battle Warrior (15 points): Win 10 consecutive Solo Battles.
Friendly Tag Champion (15 points): Win 10 consecutive Tag Battles in Multi Player mode.
Supreme Point Master (20 points): Beat the opposing team in Tag Battle by 200,000 points in Multi Player mode.
Infinite Drilling Conqueror (30 points): Win 20 consecutive Solo and Tag Battles in Multi Player mode.

Ms. Pac-Man

Cherry (5 points): Eat the Cherries that appear after eating a set number of Pac-Dots.
Strawberry (5 points): Eat the Strawberry that appears after eating a set number of Pac-Dots.
Orange (10 points): Eat the Orange that appears after eating a set number of Pac-Dots.
Pretzel (15 points): Eat the Pretzel that appears after eating a set number of Pac-Dots.
Apple (15 points): Eat the Apple that appears after eating a set number of Pac-Dots.
Pear (20 points): Eat the Pear that appears after eating a set number of Pac-Dots.
Banana (20 points): Eat the Banana that appears after eating a set number of Pac-Dots.
3 Ghosts (10 points): Eat three ghosts in succession after eating a Power Pellet.
All Ghosts (15 points): Eat all four ghosts in succession after eating a Power Pellet.
Clear Round 5 (15 points): Clear the beginner level by completing the first 5 rounds.
Clear Round 21 (40 points): Clear the advanced level by completing the first 21 rounds.
Perfect (30 points): Eat all ghosts four times within a stage.

New Rally-X

Clear Round 4 (10 points): Clear Round 4.
Clear Round 8 (20 points): Clear Round 8.
Clear Round 12 (25 points): Clear Round 12.
Clear Round 16 (30 points): Clear Round 16.
No-Miss (Round 7) (40 points): Clear the first 7 rounds without losing a life.
Extend (10 points): Score 20000 points and gain an extra life.
Double Extend (20 points): Score 100000 points and gain a second extra life.
Special Flag (5 points): Collect the Special Flag.
Special Flag First (10 points): Collect the Special Flag before collecting any other flag.
No-Miss Special Flag (15 points): Collect the Special Flag before collecting another flag and finish the stage without losing a life.
Lucky Flag (5 points): Collect the Lucky Flag.
Fuel Bonus (10 points): Collect a Lucky Flag with more than half fuel remaining.

Pac-Man

Cherry (5 points): Eat the Cherries that appear after eating a set number of Pac-Dots in Round 1.
Strawberry (5 points): Eat the Strawberry that appears after eating a set number of Pac-Dots in Round 2.
Orange (10 points): Eat the Orange that appears after eating a set number of Pac-Dots in Round 3 or 4.
Apple (10 points): Eat the Apple that appears after eating a set number of Pac-Dots in Round 5 or 6.
Melon (15 points): Eat the Melon that appears after eating a set number of Pac-Dots in Round 7 or 8.
Galboss (15 points): Eat the Galboss that appears after eating a set number of Pac-Dots in Round 9 or 10.
Bell (20 points): Eat the Bell that appears after eating a set number of Pac-Dots in Round 11 or 12.
Key (25 points): Eat the Key that appears after eating a set number of Pac-Dots after Round 13.
All Ghosts (10 points): Eat all ghosts in succession after eating a Power Pellet.
Clear Round 5 (15 points): Clear the beginner level by completing the first 5 rounds.
Clear Round 21 (40 points): Clear the advanced level by completing the first 21 rounds.
Perfect (30 points): Eat all ghosts four times within a stage.

Pac-Man: Championship Edition

200,000 Points (10 points): Score 200,000 points.
400,000 Points (30 points): Score 400,000 points.
Sparkster (5 points): Emit sparks for 1 second.
8 Ghosts (5 points): Eat 8 ghosts in succession.
Championship Mode (20 points): Complete Championship Mode.
Challenge Mode 1 (20 points): Complete Challenge Mode 1.
Challenge Mode 2 (20 points): Complete Challenge Mode 2.
Extra Mode 1 (20 points): Complete Extra Mode 1.
Extra Mode 2 (20 points): Complete Extra Mode 2.
Extra Mode 3 (20 points): Complete Extra Mode 3.
Key (10 points): Eat the Key.
Crown (20 points): Eat the Crown.

Xevious

40,000 Points (15 points): Score 40,000 points.
100,000 Points (30 points): Score 100,000 points.
Andor Genesis (10 points): Destroy Andor Genesis.
Blaster Master 100 (5 points): Destroy 100 air-based enemies.
Blaster Master 500 (10 points): Destroy 500 air-based enemies.
Bomber 30 (5 points): Destroy 30 ground-based enemies.
Bomber 100 (15 points): Destroy 100 ground-based enemies.
Special Flag (25 points): Reveal a Special Flag.
Sol Citadel Revealer (10 points): Reveal a Sol Citadel.
Sol Citadel Destroyer (15 points): Destroy a Sol Citadel.
Sol Citadel Diviner (25 points): Reveal 3 Sol Citadels.
Sol Citadel Diviner Master (35 points): Reveal 5 Sol Citadels.