Comprehensive Guide to the Summer Camp Steam Achievements

Nice guide.

Edit: haha, full of placer "a's." Hopefully you'll find time to finish them all.

How to get achievment in Defense Grid: http://forums.steampowered.com/forums/showthread.php?t=1971026

Savegame for Shogun 2: http://filevo.com/ohafoivs5kbu.html
Auto completing the battles should get you three consecutive victories.

Jolly Rover is just a matter of getting to the Mess, putting a fish on a hook, using a greasy rag on a window, opening it... then putting some peppercorns on the spilt rum, opening the window again.

A Reckless Disregard for Gravity

Aim for as many plates as possible, and repeated attempts should net you the 5-star rating required fairly easily. Avoid crashing, naturally.

Spacechem

"Tunnels I", "Tunnels II", and "Fission I" are very simple assignments, even a chimp could do it. You'll need to scroll back through the listings to find them.

TF2

Similar to Lead and Gold: Grab a friend, find/make a server with 2fort and get 'er done.

Magicka

Same here. You + Friend = easy tickets.

Super Meat Boy

For clarification, to get this achievement you need to complete the Hell world (World 4), both light and dark levels, with a combined time of under 500 or so seconds. I do not recommend getting this legitimately if you aren't already close to getting it. Check out this video for a save file to use as well as instructions on how to use it. Note: This may screw up your leaderboard times as well as achievements.

Trine

Head to Level 5 (don't worry it doesn't take too long to get to), jump underwater, and change characters at the last second to extend your breath meter. The achievement should pop up near the end of your last character's meter. This may take a few attempts to get it to trigger properly.

Toki Tori

Just follow this video guide for much great victory.

Thank you, i was unaware of the TF2 achievements.

How to get Serious Sam HD achievment: http://forums.steampowered.com/forums/showthread.php?t=1971147

can't wait for the next days

Mount & Blade: Warband http://www.youtube.com/watch?v=BTZrcWIdeI4

For the Beat Hazard one, just play a song called Gimme by Alice Cooper on Easy, you'll have 2 minibosses (which count) pop up at the 3 minutes 10 seconds left mark, then just as your 60 seconds has almost hit, a third boss will appear, that's fine, just don't go shooting... and bam, you've got the achievement.

Rush

First, the level can be selected by clicking in the middle of the sun in the level select screen.
Then, just copy this solution for the puzzle and you're set.

Killing Floor

Go solo on an easy map, pick sharpshooter, get a hand cannon, get a crossbow, use the hand cannon to get you through most of the mobs until you encounter a skrake (he'll have a monkey mask on), and then just spear him in the head.

Spiral Knights

Go to the auction house. You can easily get firecrackers for ~1000 crowns, which you can easily get from a Tier 1 excursion.

Bit Trip Runner is easy enough, on the first level, get all 13 gold, then run straight into the first fire in the bonus round you get for collecting all 13 gold.

I will take a stab at the ones I got:

AudioSurf
Sunburn - Turn 21 blocks red with a single paint

Play pointman and find a long and slow paced song. Carefully fill the whole grid so no colors touch in groups of 3 or more. Surf the side of the track until a red paint comes up.

Counter-Strike: Source
Happy Camper - Get 2 kills standing in the same spot with a zoomed sniper rifle.

Load up your own server then pack it with bots and only give them knives. You can also set this up with two other friends

Tidalis
Summer Swimming Hole - Create A Combo At Least 6 Deep.

Open Zen Mode and set it to all 1 color. When the game starts make all arrows point left. Click the bottom right arrow. Once everything clears hit the fast forward button until you lose. You will unlock it.

Metal Drift
Road Trip Rampage - Achieve 5 kills on each map.

Self explanatory. Set up a server and pack it with bots at level 1 intelligence. I set the round time to 5 minutes. Then play and kill 5 or more bots per round. It will cycle through all 5 maps.

The Wonderful End of the World
Wonderful Big Bladder - Reset the game, and complete the entire thing in one sitting.

Self explanatory. Pain in the butt. There was an exploit where you could just replay the last level, but they fixed it a hour or so ago.

Poker Night at the Inventory
Summer of 69 - Win a hand with a 6 card and a 9 card of any suit.

From experience, the first hand of any game will always have a 6 and a 9 delt at some point. I think they did this on purpose. Just let every card be delt and go all in. They should all fold. If you mess up, do not start a new hand, start a whole new game.

Movie Night - Download and watch a trailer in Steam.

Self explanatory. I recommend meet the medic.

Thanks for this guide and everyone else contributing to make it substantial! Really helpful. I only have 9 tickets as of this posting, but I'm sure I'll be able to have at least 10 by tomorrow. :>

The Wonderful End of the World

Basically you have to do the game twice. The second time in one sitting. Now I'm not entirely sure if it does have to be two times, but I had to play the game twice over in order for the achievement to trigger. The game is short, by the way. Maybe two hours first play through, and I clocked 40 minutes on the second.

The game is simple enough. The biggest challenge will be in the infamous "Cafe Internets" level (it's one of the first you unlock). I couldn't manage it until a friend suggested a path, which I refined and will now present to you.

1. Go straight forward, then back, hang a left and grab as much as you can from the counter.
2. Go down the ramp, grab the stuff in the middle of the dude's walk pattern, get the other stuff, head out and hang a right.
3. Up the ramp to the watermelon table, grab what you can in one pass and head down and right to where the frog and mouse trap are.
4. Grab what you can from this area, then head to the turkey tables, grab what you can.
5. Hug the wall counter-clockwise, if you've been doing well so far then grabbing the candles should make you just big enough to get the Pacman ghost.
6. Head for the coffee table, through, grab stuff, turn right and grab what you can off the frog table, then head to the big table complex. You should now be able to pick up computer monitors.
7. Grab what you can, then return to the counter where you started (pick the left-hand entrance, not the ramp you went down on). Grab what you can.
8. Return to the table complex you just went off of, you should start picking up tables. Pick up as many as possible.
9. Rush towards the center podium, you should soon be able to start picking up tables. That's when you know you're in the clear. Grab what you can in the little time you have left by now.

Ultimately you should have over 400 points in order to A-rank it (which is required to complete the game). Remember that it just counts individual items, not their size, so every little bit counts (the little dice things or whatever especially are important). You're gonna have to move quick and deft to get this. Good luck.

Check my guide on the B12G forums: http://www.bay12forums.com/smf/index.php?topic=87961.msg2401492#msg2401492

Drop That Beat Like an Ugly Baby

This... was an annoying one, let me tell you. Now the prize booth says you need to get 75% of a level's maximum score, but it may in fact be only 50%, I'm not sure. Now either of the default songs should be doable to net 50%. For 75%, you'll need to experiment with your own songs to find one that is...

a) Long enough. It'll need to be more than 3 minutes I think. None of the tracks in the TF2 soundtrack will work.

b) Not too long. Otherwise it'll quit on you halfway for some reason. This happened when I tried Money by Pink Floyd.

c) Active enough. Apparently Aqualung by Jethro Tull isn't active enough. The algorithm's crap in general.

d) But not too active. The game has a habit of throwing difficult obstacles in your face, and only drawing them when they're too damn close. You'll want to minimize this Fake Difficulty. So Still Kicking is out, unless you got the patience to memorize it's web of bullshit.

The general target should be around a 60-90k point song. My winning song happened to be Carmeaty Burana from the Super Meat Boy soundtrack.

Pro Tip: The multiplier is everything. Build up and you'll be racking in points in no time. If you crash it'll reset, and that's what's gonna screw you over. So if you have a choice of difficult maneuver or reliably keeping the multiplier, keep that multiplier. You can afford to skip some point plates, so don't flail around trying to grab all the plates. Keep it steady and don't lose your cool.

UPDATE

It's only 50% folks. Easy breezy.

Isn't there a way to get the achievements by filling out index cards and sending them to Valve? I thought I saw a post on this (maybe by fishpen0?) a few days ago, but I cannot find it now.