The Binding of Isaac

5 medals, 160 points (medals only visible on your profile page)

A demo of the full game which can be bought and played on for $5. However, that does not make this demo safe from the exploitation of medals.

In any case, this game plays out like a top-down adventure game, compared to the likes of The Legend of Zelda games. To complete these two levels the demo presents, you must go through a series of rooms that are randomized on every playthrough and defeat two giant creatures that serve as the bosses for each level.

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Controls & Basics:

WASD - move Isaac
Arrow keys/mouse & M1 - fire tears, your weapon of choice, in a pointed direction
Shift/E - lay down a bomb. Bombs knock down rocks in your way, and even have the fancy trick of covering up any holes they happen to be next to
Spacebar - fire alternate weapon. This takes a few rooms to clear in order to charge it up after initial use
Q - use a special item that you pick up. This ranges from pills that have completely random effects to Tarot Cards that are often very beneficial to your aid.

- For each room that has enemies, it cannot be exited until every enemy is defeated, or you blow open a hole in one of the doors with a bomb. Should you choose to escape through this method, be warned that all enemies will respawn upon entering the room again.
- While you can only fire your tears in one direction, they can be affected by your momentum. For instance, if you're running forward and firing in the same direction, they will go farther than normal. If you're strafing while shooting, your tears will angle off into the direction you're running.
- Turds laying around the rooms can be removed by firing tears at them. Sometimes they hold nice things in them, so it's sometimes worth it. Hey, better than laying bombs around rocks and hoping you find something out of those...
- Same thing goes for fire, too. Enough tears will put it out and sometimes drop an item. Just don't touch it, or you'll lose some health.

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Medals:

- Basement - 10 points - kill the first boss
- Master of Sins - 25 points - kill a miniboss
- Money well spent - 25 points - buy something from the shop - all you have to do is save just enough money to buy something from there. The two lowest-costing items come in at 3 and 5 cents
- Cave - 50 points - kill the second boss
- Secret room - 50 points - find it - There are multiple ways of getting to here.
- - The basic way is to use up your bombs and try to blow holes in the center of a wall. Your best bet is to look for a wall (not a door) that doesn't connect with another room and lay a bomb in the middle of that wall. Start with rooms that have spaces in the middle of them. In many cases, it'll be next to a landmark room that doesn't hold a boss.
- - Throughout the game, there are extra collectibles that vary from the alternate weapons. One of them is a collection of Tarot Cards. If you're lucky enough to pick up one labeled XVIII The Moon, it will give you access to the secret room where a random beneficial effect will occur. It would still help if you have money on you, since one of these events is a slot machine.
- - Buying or finding a treasure map will reveal all the rooms in the level, including the secret room, marked by a question mark. Simply make your way there and blow open the right wall.
- - Finding and equipping the X-Ray Specs open up the path to the secret room without any bombs necessary. You just have to go find it.

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Mini-bosses

One of seven minibosses can be found in unmarked rooms, and thus come out to you at complete surprise much like everything that's not the boss of the area. They may even not show up at all, depending on how lucky you are. Being called "Master of Sins" and all, each of these minibosses represents the seven deadly sins of Christianity. Oh, and they drop a useful pickup on death.

Pride - his first attack is four rays that shoot out in diagonal directions from where he's standing. These have limited range, but that's not saying much when your default weapon has a limited range as well. His second attack is summoning multiple bombs in the area. These tend to scatter and explode in unexpected areas when the first one goes off, so be wary.

Envy - all he does is walk around in one direction, bouncing off the walls. But that's where he might surprise you. Upon death, he splits into two. And his new parts split into two. Same for those parts, each moving faster than the last.

Lust - all this one does is run at you. Run and gun.

Sloth - slow, but has his way with attacks. The first is a projectile with decent area of effect. The second is spitting out a charging grub. Wow, that IS lazy...

Wrath: his map is always set in a similar manner to Bomberman's, and he'll attack you in a similar manner to him as well. Run and gun, and push the bombs back at him if need be.

Gluttony: two attacks. First, when you're on a similar axis to him, he'll peel open his chest and fire a red beam at you. Second, he'll randomly shoot blood at you. There's a delay as he peels back his chest, so some cat and mouse will work, as will attacking on one axis while moving on the other in order to angle your shots.

Greed: this guy's an ass. On top of sometimes spawning where you think there's a shop or secret room, he'll tempt you to get shot by spawning money every time you do. Oh, and he summons leapers to attack you as well.

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Bosses - much like everything else, the boss that appears will be random, but each will drop some kind of helpful item after the fight is over.

Basement bosses
Gemini - the guy with a fetus still attached to him. His initial attack comes in the form of the larger portion running at you, and the fetus trying to shoot you if you get close enough. The big guy will tire out after sprinting after you, leaving him immobile. Both creatures can be hit for damage, and killing off the larger one first will cause the fetus to come at you instead. Simply repelling him with your tears will do. Should you kill off the fetus first, the larger one will still charge at you like normal, so it's not really worth trying to.

The Duke of Flies - a huge fly. Even for something super-sized, he's not much. All he does is wander around and spit up flies that end up shielding him. However, watch when he smiles, for he'll cough up an attack fly that actually goes after you. It's slightly stronger than the flies that protect him, too. Once he's done, he explodes into a handful of smaller flies, which need to be finished off to ultimately end him.

Larry Jr. - this is rather misleading, since this consists of two bosses instead of one. Well, it's two giant worms that slide around in a random path, while turds constantly block your path and keep coming back for every other one you shoot. Meanwhile, they just plow through them with no problems. Shooting at them will bring their size down, giving you more space to fight.

Monstro a giant blob who looks like he has cleft lip. Attacks include hopping towards you, leaping up high and slamming on top of you (and he can't be hit when he's airborne) and shooting projectiles in every direction upon landing, and just coughing up blood at you with a wide spread. Each of these attacks are predictable, for when he leaps at you, a shadow can be seen as to where he's going to land, and he smiles at you before spitting up.

Cave bosses
Chub - a larger grub. He'll charge at you when you're on a similar axis to him similar to his smaller brethren, and will spit out more grubs to help when there aren't enough around. Oh, but he'll sometimes plow through his own grubs, loosening up some tension. Another way to deal good damage is when he charges at you, leave a bomb in his path. He'll accidentally swallow it, stunning him for a bit before it explodes on him.

Fistula - a giant ball of gross. He's essentially a larger and somewhat more threatening version of Envy. All you really need to do is keep your shots focused on one ball at a time. Just watch out for the attacking grubs each ball will spawn after you destroy each of the small, fast cocoons.

Gurdy - an even bigger blob with a face on it. This one's tough. At first, he has a number of "turrets" which can only be temporarily killed off by being shot at fast enough until there's nothing left. Otherwise, he attacks by either shooting 5 projectiles in a certain spread, and coughs up flies to chase you down. This one's harder than it sounds, considering how little he personally attacks you, rather than letting everything else do the dirty work.

Peep - another form of blob that looks like it has six arms. About as much as an ass as Gurdy, too. This one has the most variations of attacks, most of which go across most of the screen. His main projectile shoots in all directions, his crushing attack (which can be predicted by the drips he makes a trail with) shoots in all directions, and his eyes pop out and bounce around after every 1/3 of his health is lost, on top of not being able to be shot down. Finally, he'll leave a pool of urine that you should not run into.