Your objective is to pump balloons and maximize your earnings. 

In this game, you are asked to push a button to pump the balloon. Each pump adds to your earnings, and you can decide when to stop and collect your money. The bigger the balloon gets, the more reward you will receive. However, if you over-pump, the balloon bursts, and your earnings for that balloon will vanish.

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Your objective is to determine the arrow directions from quick flashing arrows. 

In this game, you will encounter different sets of flashing arrows that are displayed for only a split second. Each set usually includes 5 arrows. Press the cursor key corresponding to the arrow's direction displayed on the screen. Your response will vary for each set, following two rules:

• For blue or black arrows, indicate the direction of the middle arrow.
• For red arrows, indicate the direction of the side arrows.

Your objective is respond as quickly as possible when a specific color of a shape flashes on screen. 

In this game, you will see 2 shapes in 2 colors. Press the button when red shapes appear and refrain from pressing for green ones. The challenge is that red and green shapes appear rapidly and that demands both speed and accuracy. The pressure of the test makes it quite challenging.

Your objective is to rearrange the disks to match the model, using as few moves as you can.

In this game, you will be given a target tower that you are supposed to build, comprising 5 different colored disks. These disks follow a specific top-to-bottom sequence. You will have three tower slots at your disposal to relocate the disks, with the restriction that only the top disks can be moved. You'll have a two-minute time limit to solve the puzzle, and you won't see the target tower arrangement before commencing the game.

Your objective is to send any amount of money to your virtual partner and rate the fairness level based on your partner’s actions. 

In this game, you're paired with a virtual partner. You start with $10 and can choose to send any sum to your partner, which triples on arrival. Then, your partner decides how much to return. Finally, you are prompted to assess the fairness of your game partner using a scale from zero to ten.

The second Money Exchange game has similar objective to the first but with 2 rounds and there is no tripling in the amount and no return transfer.

There are 2 rounds in this game:

1. In the first round, both you and your paired partner begin with $5, but one of you has an additional $5. If you are the recipient in this scenario, you are asked to send an amount ranging from $0 to $5.
2. In the second round, which is independent of the first round, both you and your partner begin with $5. However, this time, you have the option to either give or take an amount ranging from $0 to $5 from your partner.

At the end of each round, you are asked to rate the fairness of the transaction on a scale from 0 to 10.

Your objective is to see a picture of a face with a short or a long mouth. You need to figure out which one it is and react. 

In the game, you'll be shown two types of faces for a brief moment. If a face has a short mouth, press the left cursor key; if it has a long mouth, press the right cursor key. The challenge is that the faces look identical.

Your objective is to conclude the game with the highest possible amount of money.

In this game, your task involves drawing cards from four distinct decks. Each draw can lead to either a gain or a loss in money. During card draws, outcomes can swing in either a winning or losing direction. There is no time constraint.

Your objective is to earn as much reward as you can under 2 minutes from doing either easy or hard tasks in each round.

In this game, you will be presented a choice between easy or hard task with a probability of earning a reward if you perform the task successfully. Below are the details of the 2 tasks.

• For the easy task, you have 3 seconds to hit the spacebar 5 times and you can earn $1
• For the hard task, you have 12 seconds to hit the spacebar 60 times and you can earn between $1.24 and $4.30. 

In each round, the profitability of winning rewards and hard task rewards vary. You need to choose one task in 5 seconds, else the game will choose it for you.

In this game, your goal is to remember as many digits as possible.

These digits will swiftly appear on your screen, and once they're done, you'll need to remember and type them in the right order. The number of digits will increase by one for a correct sequence and decrease by one for an incorrect one. The game concludes after three failed attempts.

Your objective is to press a key on your keyboard as many times as you can within a specified time.

In this game, your task is simple - press a key on your keyboard as many times as you can within a specified time.

This game evaluates how well you can comprehend and follow instructions. You need to start pressing the key only when you're told and stop right when you're told.

Your objective is to recognize emotions expressed through a person’s facial expressions.

You will view pictures of individuals displaying various facial expressions. You will be presented with 14 facial expressions and your task is to select the word that you think best describes the person's emotions. Certain pictures might come with a brief story explaining a situation.

Images paired with situation descriptions allow 30 seconds to answer, while those without description allow only 7 seconds.