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Table 1 Game difficulty progression

From: Exploring the usability of the virtual reality module LEAF CAFÉ: a qualitative think-aloud study

Level

Tables to serve

Customers to serve

Orders

1

1

2

2

2

2

4

4

3

3

6

6

4

4

8

8

5

4

8

16

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BMC Geriatrics

ISSN: 1471-2318

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