There is no guide for this game yet. But apparently it is EASY POINTS! 

Power to the City - 30 points

Turn on all Power Pylons to enter a secret location in the Welcome to Earth level.

Power to the Axiom - 30 points

Free all Reject Bots to enter a secret location in the Good Intentions level.

Boosters Activity - 10 points

Complete the activity in the Directive level.

Scan Racer Activity - 10 points

Complete the activity in the Directive level.

Junk Buster Activity - 10 points

Complete the activity in the Directive level.

Ring Race Activity - 10 points

Complete the activity in the Time Together level.

Taking out the Trash Activity - 10 points

Complete the activity in the Time Together level.

WALL•E Away Activity - 10 points

Complete the activity in the Time Together level.

Special Object, Part 1 - 30 points

Collect the Special Object in the Welcome to Earth level.

Special Object, Part 2 - 30 points

Collect the Special Object in the Directive level.

Special Object, Part 3 - 30 points

Collect the Special Object in the Sandstorm level.

Special Object, Part 4 - 30 points

Collect the Special Object in the Life on the Axiom level.

Special Object, Part 5 - 30 points

Collect the Special Object in the Good Intentions level.

Special Object, Part 6 - 30 points

Collect the Special Object in the Time Together level.

Special Object, Part 7 - 30 points

Collect the Special Object in the 100% Unsanitary level.

Special Object, Part 8 - 30 points

Collect the Special Object in the Captain's Orders level.

Special Object, Part 9 - 30 points

Collect the Special Object in the EVE Loves WALL•E level.

All Concepts - 30 points

Get all Sketchbooks in the game.

All Echoes of EVE - 30 points

Find all EVE Radios.

All Echoes of WALL•E - 30 points

Find all WALL•E Radios.

WALL•E Suitcases - 30 points

Find all of WALL•E's costumes in the game.

EVE Suitcases - 30 points

Find all of EVE's costumes in the game.

Crushing, Part 1 - 25 points

Crush down 100 Basic Cubes.

Crushing, Part 2 - 25 points

Crush down 100 Heavy Cubes.

Crushing, Part 3 - 25 points

Crush down 100 Charge Cubes.

500 Cubes - 30 points

Crush down 500 Cubes in the entire game.

Making of the Game - 5 points

Watch the credits.

Total Perseverance, Part 1 - 15 points

Beat the Welcome to Earth level without losing all health!

Total Perseverance, Part 2 - 15 points

Beat the Directive level without losing all health!

Tunnel Time Trials, Part 1 - 15 points

Complete all tunnels in the Directive level without running out of time.

Total Perseverance, Part 3 - 15 points

Beat the Sandstorm level without losing all health!

Short Storks - 15 points

Complete the Sandstorm level in 30 stork jumps or less.

Total Perseverance, Part 4 - 15 points

Beat the Life on the Axiom level without losing all health!

M-O is Easily Distracted - 15 points

M-O will clean what is dropped on the floor in the Life on the Axiom level.

Knocking Over Humans - 30 points

It's possible that knocking over humans could be advantageous.

Total Perseverance, Part 5 - 15 points

Beat the Good Intentions level without losing all health!

The Spoils of Steward - 15 points

Clear out the Stewards in the Good Intentions level.

Total Perseverance, Part 6 - 15 points

Beat the Time Together level without losing all health!

Tunnel Time Trials, Part 2 - 15 points

Complete all tunnels in the Time Together level without running out of time.

Total Perseverance, Part 7 - 15 points

Beat the 100% Unsanitary level without losing all health!

Total Perseverance, Part 8 - 15 points

Beat the Captain's Orders level without losing all health!

Panicking Protection Procedures - 30 points

Avoid taking damage from any humans in the Captain's Orders level.

Super Quick Scanning - 30 points

Scan all WALL•E parts in less than 2 minutes in the EVE Loves WALL•E level.

The Cockroach - 5 points

Find the cockroach.

I am the Best! - 60 points

Beat the entire game.