The Hello Engine 4 is an open source Mario engine made with Game Maker 8 containing features from the classic Mario games. You can do anything you want to this engine, but never claim this engine as your own.
Download:
Hello Engine 4 Source
Hello Engine 4 Lite
Hello Engine 4 Executable
Feature List:
Physics:
Walking
Running
Jumping
Skidding
Swimming
Climbing
Sliding Down Slopes
Picking Up Stuff
Ducking
SMB2 Carrying
Spin Jump
Powerups:
Mushroom
Fire Flower
Hammer Suit
Leaf
Tanooki Suit
Frog Suit
Bomb Shroom
Ice Flower
Super Flower
Carrot
Ninja Mario
Flaming Leaf
Blue Shell
1up Mushrooms
3up Moon
Poison Mushrooms
Starman
Yoshi
Kuribo's Shoe
Enemies:
----Land----
Goomba
Bubble Goomba
Para-Goomba
Round Goomba
Shoe Goomba
Parachute Round Goomba
Koopa(Green, Red, and Hyper)
Para-Koopa(Green, Red, and Hyper)
Jumping Koopa
Rex
Spike
Blue Hoopster
Red Ninji
Red Chasing Ninji
Wiggler
----Underground----
Buzzy Beetle
Spiney
Ceiling Buzzy Beetle
Ceiling Spiney
Piranha Plant(All 4 Directions)
Red Piranha Plant(All 4 Directions)
Short Piranha Plant(Up and Down)
Jumping Piranha Plant
Fire Spitting Piranha Plant
Red Fire Spitting Piranha Plant
Ptooie
Walking Ptooie
Swooper
Buster Beetle
Nokobon
Spiketop
Blargg
----Underwater----
Urchin
Cheep Cheep
Spiked Cheep Cheep
Torpedo Ted
Rip Van Fish
Porchu Puffer
Lava Lotus
Fishbone
Blooper
----Desert----
Nipper
Monty Mole(Ground and Floor)
Lakitu(Normal and Green Ball)
Vulcano Lotus
Dino Torch
Super Microgoomba
Fire Snake
Angry Sun
Pokey
----Castle----
Dry Bones
Podoboo
Thwomp
Thwimp
Roto-Disc
Boo(Big, and Small)
Stretch Boo
Block Boo
Eerie
Net Koopa
Net Spark
Little Spark
Giant Spark
Bony Beetle
Phanto
Fire Bar(Small and Large)
Grinder
Line Grinder
Ball and Chain
Bouncing Podoboo
Magikoopa
Giant Spike(SMW)
Crusher(SMW)
Bowser Statue
Gold Bowser Statue
----Doomship----
Bob-Omb
Parachute Bob-Omb
Bullet Bills(Horisontal, and Vertical)
Homing Bullet Bills
Banzai Bill
Diagonal Cannon
Bomb Cannon
Two Way Cannon
Quadruple Cannon
Doomship Engine(All 4 Directions)
Rocky Wrench
Large Cannonballs
----Subcon----
Shy Guy(Red and Blue)
Large Shy Guy(Red and Blue)
Snifit(Red and Blue)
Grey Snifit
SMB2 Bomb
Ninji
Chasing Ninji
Hoopster
Flurry
Green Pokey
Panser(Red, Green, Blue, Purple)
Porcupo
Tweeter
----Misc----
Hammer Bro
Fire Bro
Boomerang Bro
Sledge Bro
Chain Chomp
Sumo Bro
Charging Chuck
Fire Chomp
Goomba Spawning Pipes
Bullet Bills Generator
Cheep Cheep Generator
Storm Generator
----Boss----
Boom Boom
Larry Koopa
Reznor
Bowser
Blocks:
Powerup Blocks(Mushroom, Fire Flower, Hammer, etc.)
Giant Powerup Blocks(Hammer, Tanooki, Frog, and 3 1ups)
Coin Blocks
Multi-Coin Blocks
Multi-Coin Mushroom Blocks
Bricks
Hidden Blocks
Flip Blocks
Message Blocks
Donut Blocks
Vine Blocks
Roulette Block
Note Blocks
Yellow Note Blocks
Warp Note Blocks
Powerup Note Blocks
Hidden Note Blocks(Normal, Yellow, and Warp)
Weapon Specific Blocks(Flower, Leaf Spin, Hammer, Star, Bomb, Shell, Switch, and Kuribo)
Rotating Spiked Block
Winged Blocks
On/Off Block
Throwable Items:
Springs
Timed Spring
Super Spring
P-Switch
P-Switch Spring
E-Switch
Key
Blue Bricks
Red Bricks
Vegetable Items:
Vegetables
Big Vegetables
Coin Vegetables
Multi Coin Vegetables
Bomb Vegetables
Boomerang Vegetables
Mushroom Vegetables
1up Vegetables
Poison Vegetables
Bomb Shroom Vegetables
Star Vegetables
Shell Vegetables
Other Items:
Coins
P-Switch Coins
Ace Coins
Bubble Coins
Bubble Springs
Moving Platforms(Horizontal, Vertical, Diagonal, and Circular)
Touch-Start Platforms
Falling Platforms
Spinning Platforms
Midway Point
Ice Coin
Ice Nipper
Keyhole
Block Train
Conveyor Belts
POW Block
SMB2 Mushroom Blocks
Quicksand
Diggable Sand
Parabeetle
SMW Wall Spring
Expanding Flipblock Platform
Moving Rope
Moving Chainsaw
Bubble Blowing Pipes
Wall Triangles(Floor and Ceiling)
Skull Raft
Pinball Flipper Door
Moving Arrow Platform
Timed Platform
P-Switch Platform
Falling Spikes
Moving Pipes
Other Stuff:
Parallax Backgrounds
Warp Pipe System
Pipe Cannon
Diagonal Pipe Cannon
Door System
Flagpole(Normal and Secret)
Slopes(Normal and Inverted)
Solids that Hurt
Reserve Item
Time Limit
Map Screen
Mushroom House
Map Hammer Bros.
Map-Screen Lock
Map Screen Pipes
Map Inventory
Saving
Title Screen Menu
Introduction
Mario Start! Text
Roulette Minigame
Card Minigame
Stormy Weather
Switch Palaces
Multi-Kills
Block Side-Bumping
Shells Flip
Autoscrolling
Pause Menu
Animated Backgrounds