Is there an action replay codes for harvest moon a wonderful life special edition?

no.(ignore person above)

Yes there are, the full list for AR codes is:

(some of these codes are user created but they work, the official codes can be found on codejunkies.com)

Master code

223D-876H-37CDP

AA40-CNA1-MDD4V

Infinite Gold

32BP-4J5C-8DVUW

QK8N-06V2-U8Z9E

Never Hungry

VAB6-H7UD-DNFR6

VYC1-TZXZ-BM3GQ

Never Tired

UMWG-MAC8-AKEW2

6TG0-8J7A-JQ91K

QD7M-0FPV-JC7WU

Drowsiness tolerance rise

80NE-69CC-F172R

P3E5-6EUW-KDJX2

5W4R-GM3U-7E21V

30UK-32NK-XE8AG

EWZG-Y98H-9MN7B

928D-C634-Y4V1X

Farming tool use degree of skill maximum

M8T8-J2TW-5AYGE

D266-9H8H-Z8YVB

Z8AJ-U55H-1DVQ7

K3DB-N7ZV-B1UJZ

35DM-T1VX-C4GR8

5J4T-JX8J-M5AAW

ZT4H-NMHR-XF2NF

PVYN-R5CE-62GZ6

XKUE-B942-T4JAC

Unlimited Fodder

2W78-EBYU-12UNE

R1CC-AP6E-AB3AA

Dogs Hearts Full

827R-107K-TE4FK

72W8-PCDV-Z8EH8

Dog Training Almost Complete

U56P-JDBG-KXYWE

8XBE-W6CX-VQ97U

3QUV-1675-1MP1F

EG13-WUC4-W3PCV

All Tools (Except for the last two Sickles)

4DUB-B3ZJ-37HV4

82CU-XWQZ-3H4MM

8HU4-FUK2-XZ4EP

All Tools

6AE4-6PCH-W7RQU

82CU-XWQZ-3H4MM

198E-2832-PRP2B