diff --git a/internal/2015/register.go b/internal/2015/register.go
new file mode 100644
index 0000000..a6fa7d3
--- /dev/null
+++ b/internal/2015/register.go
@@ -0,0 +1,11 @@
+package year2015
+
+import (
+	_ "advent-of-code/internal/2015/DayFive"
+	_ "advent-of-code/internal/2015/DayFour"
+	_ "advent-of-code/internal/2015/DayOne"
+	_ "advent-of-code/internal/2015/DaySeven"
+	_ "advent-of-code/internal/2015/DaySix"
+	_ "advent-of-code/internal/2015/DayThree"
+	_ "advent-of-code/internal/2015/DayTwo"
+)
diff --git a/internal/2018/register.go b/internal/2018/register.go
new file mode 100644
index 0000000..286f7f5
--- /dev/null
+++ b/internal/2018/register.go
@@ -0,0 +1,7 @@
+package year2018
+
+import (
+	_ "advent-of-code/internal/2018/DayOne"
+	_ "advent-of-code/internal/2018/DayThree"
+	_ "advent-of-code/internal/2018/DayTwo"
+)
diff --git a/internal/2020/register.go b/internal/2020/register.go
new file mode 100644
index 0000000..f291afa
--- /dev/null
+++ b/internal/2020/register.go
@@ -0,0 +1,12 @@
+package year2020
+
+import (
+	_ "advent-of-code/internal/2020/DayEight"
+	_ "advent-of-code/internal/2020/DayFive"
+	_ "advent-of-code/internal/2020/DayFour"
+	_ "advent-of-code/internal/2020/DayOne"
+	_ "advent-of-code/internal/2020/DaySeven"
+	_ "advent-of-code/internal/2020/DaySix"
+	_ "advent-of-code/internal/2020/DayThree"
+	_ "advent-of-code/internal/2020/DayTwo"
+)
diff --git a/internal/2021/register.go b/internal/2021/register.go
new file mode 100644
index 0000000..272321e
--- /dev/null
+++ b/internal/2021/register.go
@@ -0,0 +1,7 @@
+package year2021
+
+import (
+	_ "advent-of-code/internal/2021/DayOne"
+	_ "advent-of-code/internal/2021/DayThree"
+	_ "advent-of-code/internal/2021/DayTwo"
+)
diff --git a/internal/2022/register.go b/internal/2022/register.go
new file mode 100644
index 0000000..1b1811e
--- /dev/null
+++ b/internal/2022/register.go
@@ -0,0 +1,6 @@
+package year2022
+
+import (
+	_ "advent-of-code/internal/2022/DayOne"
+	_ "advent-of-code/internal/2022/DayTwo"
+)
diff --git a/internal/2025/register.go b/internal/2025/register.go
new file mode 100644
index 0000000..c251a13
--- /dev/null
+++ b/internal/2025/register.go
@@ -0,0 +1,6 @@
+package year2025
+
+import (
+	_ "advent-of-code/internal/2025/DayOne"
+	_ "advent-of-code/internal/2025/DayTwo"
+)