1. Laurens Bolle Melvin Hulsmans Koen Theijs
Snowballs
Laurens Bolle
Melvin Hulsmans
Koen Theijs

2. Overview
Brainstorm
Paper prototype
Iteration 1 – 5
Future
Conclusion

3. Brainstorm Existing games Categories Around topic Required skills
Magicians Lethal Keep
Finding errors concept

4. Paper prototype
First prototype
Too complicated

5. Paper prototype
Reduced to MVP

6. Iteration 1
Digital version of MVP

7. Iteration 1 Goal: Criteria: Method: Easy to learn? Controls clear?
Learnability
Accuracy
Satisfaction
Method:
Usability tests
Expert review
Questionnaire (SUS)

8. Iteration 1 Conclusion: Different colors are confusing
Different sizes of bubbles are confusing
Lack of theme

9. Iteration 2
Changes:
Added a theme
All same color

10. Iteration 2 Goal: Criteria: Method: Theme appealing?
Find preferred theme
Find preferred extra features
Criteria:
Satisfaction
Aesthetic qualities
Method:
Questionnaire (SUS + other)
Hallway test
First release in the wild (Facebook)
Expert review

11. Iteration 2

12. Iteration 2

13. Iteration 2 Conclusion: Meteor theme is not appealing
Avalanche theme preferred
Shield preferred as extra feature
Juice it or loose it

14. Iteration 3
Changes:
New theme
Juiced up the game
Added shield bonus

15. Iteration 3 Goal: Criteria: Method: Bonus visible?
Shield purpose clear?
Theme appealing?
Criteria:
Learnability
Accuracy
Satisfaction
Aesthetic qualities
Method:
Questionnair (SUS + other)
Hallway test

16. Iteration 3

17. Iteration 3

18. Iteration 3 Conclusion: Bonus not visible enough Shield not clear
Theme is appealing

19. Iteration 4 Changes: Theme-consistent menu Visual upgrade of bonus
Visual upgrade of shield
Added a timer to shield

20. Iteration 4 Goal: Criteria: Improve visibility bonus
Clarify meaning shield
Criteria:
Learnability
Accuracy
Satisfaction
Meaning
Aesthetic qualities

21. Iteration 4
Method:
Questionnaire
Hallway test
Usage tracking

22. Iteration 4

23. Iteration 4

24. Iteration 4
Conclusion:
Bonus is visible
Meaning shield still unclear

25. Iteration 5
Changes:
Help-menu
Sound on/off button

26. Iteration 5 Goal: Criteria: Clarify shield effect Lower learnability
Test effectiveness help-menu
Analyse analytics data
Criteria:
Learnability
Memorability
Sociablity

27. Iteration 5
Method:
Questionnaire
Hallway test
Usage tracking

28. Iteration 5

29. Iteration 5

30. Iteration 5

31. Iteration 5

32. Iteration 5 Conclusion: Hulp-menu visible enough
Shield effect clarified
Marketing is essential
Session length too short

33. Future Extra bonus elements: End animation Store Achievements
Bomb, slow down time, double points,...
End animation
Store
Achievements
Leaderboards
Share-button
Tutorial
...

34. Conclusion Good basis for casual game
Needs expansions to make players:
Come back
Play longer
Spread the game
We are not the end-user