Item description:

Follow this guide for an easy 1000GS.

STart off by doing all of the in game achievements first, by booting up game and hitting back button
to bring up menu and then select load. Requires little effort from most of the save points.

Get Rich 25G Alex Kidd: Collect 1,000 in currency (just walk up to bag of money)

Don't Die 25G Alien Storm: Reach Mission 3 without losing a life (just wait)

Enter the Beast 10G Altered Beast: Collect 100,000 pts or higher by the end of the first level (hit B a few more times)

Holy Water 20G Beyond Oasis: Unlock the Water Spirit (wait until text finishes)

Stealing Points 20G Bonanza Brothers: Reach 40,000 points on the first level (grab flashing item)

Easy as Pie 15G Columns: Get 20,000 points only on Easy Mode (just wait)

Hardly a Hero 20G Comix Zone: Complete first episode (just wait)

Get Ahead 30G Decap Attack: Collect 5 Bonus Coins (grab gold coin)

Communication is Key 10G Ecco: Talk to another dolphin (press B next to other dolphin)

Taste Like Tuna 20G Ecco: The Tides of Time: Eat 200 fish (go left and hit X to eat fish, keep going back n forth, need about 15 more fish to eat)

Suit up 30G E-SWAT: Obtain the Combat Suit Complete Mission 2 (just wait)

Don't Get Lost 30G Fatal Labyrinth: Progress to the fifth level of the labyrinth (walk up stairs)

Getting Chicks 25G Flicky: Collect 80,000 points (try to catch all the chicks in the bonus level, will unlock if you do)

Garden Gnomes 20G Golden Axe: Collect 20 magic power-ups (hit the blue gnomes and collect a few more potions)

Tower Up 35G Golden Axe II: Complete Tower Level (finish the level)

Saved by Magic 20G Golden Axe III: Use magic 10 times (hit Y)

TGIF 35G Kid Chameleon: Collect Maniaxe (grab the Jason mask)

Twinkle Twinkle 30G Ristar: Collect 5 Yellow Stars (grab the gold star in the water)

Yatta! 50G Dr. Robotnik's M.B.M.: Complete the game (just wait)

True Ninja Skills 30G Shinobi III: Complete first level without using continues (finish the level)

Complete Chaos 30G Sonic The Hedgehog: Obtain a Chaos Emerald (just wait)

A Different Tail 35G Sonic The Hedgehog 3: Collect 100 rings with Tails anywhere on Angel Island Zone (smash the box on the right)

Flicky to the Rescue 15G Sonic 3D Flickies' Island: Rescue 20 Flickies (jump on the ring)

Lots of Zeros 30G Sonic Spinball: Get 10,000,000 points in the first level (just need a few more points)

Get to the Chopper 15G Super Thunder Blade: Score over 1,500,000 points in the first level (should pop when you get to the boat)

Three Times a Charm 20G Streets of Rage: Complete 1st Level using all 3 characters (finish level with girl, save and restart. Need to finish the 1st level again with the 2 remaining charaters)

Good Day Mate 15G Streets of Rage 3: Unlock Roo the Kangaroo as a playable character (dont kill the kangeroo!!! Only kill the clown looking thing)

Super Charged 45G VectorMan: Collect 500 photons (collect about 10 or so white looking star things)

Can You Dig It? 45G VectorMan 2: Reach Scene 11 (just wait)

Blast Processing 50G Play all MEGA DRIVE™ Titles (just boot up each game, you can exit as soon as the sega logo appears. Played games text show up white, unplayed gamee look a little pink)

Master the System 50G Unlock Everything (boot up Sonic2 and have 2 contollers on and defeat the boss. You may need to hit A a few times on controller 2)

No Life 50G Watch Every Video (goto extras, Y button on title screen, as soon as video starts exit and select next one)

Only in the '80s 50G Play all Arcade Titles (same as above, 9 games to boot up)

Critique 50G View all Artwork (hit B on title screen, and view each box art and cartridge for every game. Takes 3 min)