Played a bunch of random games today:
10 Second Ninja: Each stage has some robots. You are a ninja. You can jump, double jump, and throw up to three shurikens per stage. You have 10 seconds to kill all the robots whichever way you want. Do it fast enough and you get 3 stars. The game is hideous and the "story" is obnoxious Newgrounds stupidity, but the controls are pretty decent. I probably won't play anymore, but I can see how someone would like this if they like score attack stuff.
6180 The Moon: It's a puzzle platformer where you're the moon. Very simple visual style. The big mechanic is that your jump is very high, and the top of the screen wraps around to the bottom and vice versa, so there's some of the same momentum/direction/keeping track of stuff feel that Portal puzzle levels had, a little bit. Seems pretty simple, but I enjoyed it enough that I plan on finishing it. 50 short levels + 50 reverse/mirror levels. No collectibles.
Another Perspective: It's a single screen puzzle platformer. You are one or more dudes. You can run, jump. Each stage has a door. If it is locked then you need to collect all the keys in the stage to unlock it. You press a button to switch between dudes. In some stages, each dude has a different set of obstacles visible, so when you switch dudes you see a totally different level, but the other dudes stay on screen frozen in place. So you leverage your other dudes to get through the level. The writing was dumb like someone read Braid and thought "let's go for more of that", but mechanically it felt a bit like some of the PB Winterbottom levels and I enjoyed it. I will probably finish this.
Woah Dave: It's a single screen arcade game that feels a little bit like Mario Bros (no Super) or Super Crate Box. There are several stages of platforms. Eggs and skulls fall from the top of the stage and hit the platforms. Eggs wait for a while, flash, and then hatch into enemies. Skulls wait for a while, flash, and then explode. You can pick up and throw stuff. Throwing a skull at an egg destroys it and you get $0.01. Throwing a skull at an enemy destroys it and you get $0.01. A skull exploding near an egg or enemy kills them, and again a coin drops. Eggs can kill enemies but not break eggs. Nothing kills skulls. Every so often a WOAH block drops, which if you throw it kills everything on screen. Gradually, the bottom platform drops into lava. If an enemy hits lava, they burn their butt, get angrier (faster+harder movements), and fly to the top of the screen. You have three lives to make as much cash as you can. Occasionally UFOs or flying eyeball aliens show up. If an egg hatches in your hand you die, if a skull explodes in your hand you die. So it's pretty frantic as the drop rate increases to try to keep the screen clear or managed without holding the hot potato, without hitting an enemy, without letting too many enemies power-up in the lava, etc. Very well done. My high score after 5-6 tries is about $1.40, you need $1.50 to unlock hard mode, and the game's achievements go up to $10.00. It seems very few people are above $5.00 or so.
Vector: It's a stage based infinite runner with a silhouette visual style. You use parkour and time your jumps to conserve momentum as best as you can. The idea is cool but I found it a bit too clunky to pull it off. Awful UI, possibly a mobile port? If this sounds like something you might like maybe try it, but I don't really recommend it and won't be playing more.
Yury: Poop. You're a dude in a vertical pit. You can run and jump. There are spikes. Spikes don't kill you, they just cause your O2 meter to deplete. If it hits 0, you die. If it hits 75, you can't jump or move very fast, so basically you're probably going to die. You can solve the leak and replenish your O2 by getting to a checkpoint. There's lava. Lava doesn't kill you, but if you touch it for more than about a third of a second it'll kill you, but you can momentarily pass through it. The game is ugly, repetitive, has trial and error design, it's frustrating, the controls are not satisfying or responsive, I can't stress how ugly it is. I would not play this or recommend it to anyone.
Of course I also bought 10 games today, so even having played some of all these I'm still backlog-negative for the day :/