diff --git a/curriculum/challenges/.markdownlint.yaml b/curriculum/challenges/.markdownlint.yaml
index ba92d2fa108..defe3b9400a 100644
--- a/curriculum/challenges/.markdownlint.yaml
+++ b/curriculum/challenges/.markdownlint.yaml
@@ -6,5 +6,6 @@ MD025: false   # headings are used as markers by the parser
 MD031: true    # fenced blocks do need surrounding by newlines
 MD033: false   # inline html is required
 MD040: false   # TODO: enable this when the challenges have been fixed
+MD034: false   # allow bare-URLs
 MD036: false   # TODO: **Example** is the main offender, should that be a heading?
 whitespace: false  # extra whitespace is ignored, so we don't enforce it.
diff --git a/curriculum/challenges/english/01-responsive-web-design/responsive-web-design-projects/build-a-personal-portfolio-webpage.md b/curriculum/challenges/english/01-responsive-web-design/responsive-web-design-projects/build-a-personal-portfolio-webpage.md
index a786ded61a8..0226992eec9 100644
--- a/curriculum/challenges/english/01-responsive-web-design/responsive-web-design-projects/build-a-personal-portfolio-webpage.md
+++ b/curriculum/challenges/english/01-responsive-web-design/responsive-web-design-projects/build-a-personal-portfolio-webpage.md
@@ -8,7 +8,7 @@ dashedName: build-a-personal-portfolio-webpage
 
 # --description--
 
-**Objective:** Build an app that is functionally similar to <a href="https://codepen.io/freeCodeCamp/full/zNBOYG" target="_blank"><https://codepen.io/freeCodeCamp/full/zNBOYG></a>
+**Objective:** Build an app that is functionally similar to <a href="https://personal-portfolio.freecodecamp.rocks" target="_blank">https://personal-portfolio.freecodecamp.rocks</a>
 
 **User Stories:**
 
diff --git a/curriculum/challenges/english/01-responsive-web-design/responsive-web-design-projects/build-a-product-landing-page.md b/curriculum/challenges/english/01-responsive-web-design/responsive-web-design-projects/build-a-product-landing-page.md
index df9ea5df4b4..cdd62359751 100644
--- a/curriculum/challenges/english/01-responsive-web-design/responsive-web-design-projects/build-a-product-landing-page.md
+++ b/curriculum/challenges/english/01-responsive-web-design/responsive-web-design-projects/build-a-product-landing-page.md
@@ -8,7 +8,7 @@ dashedName: build-a-product-landing-page
 
 # --description--
 
-**Objective:** Build an app that is functionally similar to <a href="https://codepen.io/freeCodeCamp/full/RKRbwL" target="_blank"><https://codepen.io/freeCodeCamp/full/RKRbwL></a>
+**Objective:** Build an app that is functionally similar to <a href="https://product-landing-page.freecodecamp.rocks" target="_blank">https://product-landing-page.freecodecamp.rocks</a>
 
 **User Stories:**
 
diff --git a/curriculum/challenges/english/01-responsive-web-design/responsive-web-design-projects/build-a-survey-form.md b/curriculum/challenges/english/01-responsive-web-design/responsive-web-design-projects/build-a-survey-form.md
index b00d9588463..937c4482c93 100644
--- a/curriculum/challenges/english/01-responsive-web-design/responsive-web-design-projects/build-a-survey-form.md
+++ b/curriculum/challenges/english/01-responsive-web-design/responsive-web-design-projects/build-a-survey-form.md
@@ -8,7 +8,7 @@ dashedName: build-a-survey-form
 
 # --description--
 
-**Objective:** Build an app that is functionally similar to <a href="https://codepen.io/freeCodeCamp/full/VPaoNP" target="_blank"><https://codepen.io/freeCodeCamp/full/VPaoNP></a>
+**Objective:** Build an app that is functionally similar to <a href="https://survey-form.freecodecamp.rocks" target="_blank">https://survey-form.freecodecamp.rocks</a>
 
 **User Stories:**
 
diff --git a/curriculum/challenges/english/01-responsive-web-design/responsive-web-design-projects/build-a-technical-documentation-page.md b/curriculum/challenges/english/01-responsive-web-design/responsive-web-design-projects/build-a-technical-documentation-page.md
index 3f8bf2d7218..6c433375ba7 100644
--- a/curriculum/challenges/english/01-responsive-web-design/responsive-web-design-projects/build-a-technical-documentation-page.md
+++ b/curriculum/challenges/english/01-responsive-web-design/responsive-web-design-projects/build-a-technical-documentation-page.md
@@ -8,7 +8,7 @@ dashedName: build-a-technical-documentation-page
 
 # --description--
 
-**Objective:** Build an app that is functionally similar to <a href="https://codepen.io/freeCodeCamp/full/NdrKKL" target="_blank"><https://codepen.io/freeCodeCamp/full/NdrKKL></a>
+**Objective:** Build an app that is functionally similar to <a href="https://technical-documentation-page.freecodecamp.rocks" target="_blank">https://technical-documentation-page.freecodecamp.rocks</a>
 
 **User Stories:**
 
diff --git a/curriculum/challenges/english/01-responsive-web-design/responsive-web-design-projects/build-a-tribute-page.md b/curriculum/challenges/english/01-responsive-web-design/responsive-web-design-projects/build-a-tribute-page.md
index 17ce68e00ec..231292b4373 100644
--- a/curriculum/challenges/english/01-responsive-web-design/responsive-web-design-projects/build-a-tribute-page.md
+++ b/curriculum/challenges/english/01-responsive-web-design/responsive-web-design-projects/build-a-tribute-page.md
@@ -8,7 +8,7 @@ dashedName: build-a-tribute-page
 
 # --description--
 
-**Objective:** Build an app that is functionally similar to <a href="https://codepen.io/freeCodeCamp/full/zNqgVx" target="_blank"><https://codepen.io/freeCodeCamp/full/zNqgVx></a>
+**Objective:** Build an app that is functionally similar to <a href="https://tribute-page.freecodecamp.rocks" target="_blank">https://tribute-page.freecodecamp.rocks</a>
 
 **User Stories:**
 
diff --git a/curriculum/challenges/english/14-responsive-web-design-22/build-a-personal-portfolio-webpage-project/build-a-personal-portfolio-webpage.md b/curriculum/challenges/english/14-responsive-web-design-22/build-a-personal-portfolio-webpage-project/build-a-personal-portfolio-webpage.md
index a786ded61a8..0226992eec9 100644
--- a/curriculum/challenges/english/14-responsive-web-design-22/build-a-personal-portfolio-webpage-project/build-a-personal-portfolio-webpage.md
+++ b/curriculum/challenges/english/14-responsive-web-design-22/build-a-personal-portfolio-webpage-project/build-a-personal-portfolio-webpage.md
@@ -8,7 +8,7 @@ dashedName: build-a-personal-portfolio-webpage
 
 # --description--
 
-**Objective:** Build an app that is functionally similar to <a href="https://codepen.io/freeCodeCamp/full/zNBOYG" target="_blank"><https://codepen.io/freeCodeCamp/full/zNBOYG></a>
+**Objective:** Build an app that is functionally similar to <a href="https://personal-portfolio.freecodecamp.rocks" target="_blank">https://personal-portfolio.freecodecamp.rocks</a>
 
 **User Stories:**
 
diff --git a/curriculum/challenges/english/14-responsive-web-design-22/build-a-product-landing-page-project/build-a-product-landing-page.md b/curriculum/challenges/english/14-responsive-web-design-22/build-a-product-landing-page-project/build-a-product-landing-page.md
index df9ea5df4b4..cdd62359751 100644
--- a/curriculum/challenges/english/14-responsive-web-design-22/build-a-product-landing-page-project/build-a-product-landing-page.md
+++ b/curriculum/challenges/english/14-responsive-web-design-22/build-a-product-landing-page-project/build-a-product-landing-page.md
@@ -8,7 +8,7 @@ dashedName: build-a-product-landing-page
 
 # --description--
 
-**Objective:** Build an app that is functionally similar to <a href="https://codepen.io/freeCodeCamp/full/RKRbwL" target="_blank"><https://codepen.io/freeCodeCamp/full/RKRbwL></a>
+**Objective:** Build an app that is functionally similar to <a href="https://product-landing-page.freecodecamp.rocks" target="_blank">https://product-landing-page.freecodecamp.rocks</a>
 
 **User Stories:**
 
diff --git a/curriculum/challenges/english/14-responsive-web-design-22/build-a-survey-form-project/build-a-survey-form.md b/curriculum/challenges/english/14-responsive-web-design-22/build-a-survey-form-project/build-a-survey-form.md
index b00d9588463..937c4482c93 100644
--- a/curriculum/challenges/english/14-responsive-web-design-22/build-a-survey-form-project/build-a-survey-form.md
+++ b/curriculum/challenges/english/14-responsive-web-design-22/build-a-survey-form-project/build-a-survey-form.md
@@ -8,7 +8,7 @@ dashedName: build-a-survey-form
 
 # --description--
 
-**Objective:** Build an app that is functionally similar to <a href="https://codepen.io/freeCodeCamp/full/VPaoNP" target="_blank"><https://codepen.io/freeCodeCamp/full/VPaoNP></a>
+**Objective:** Build an app that is functionally similar to <a href="https://survey-form.freecodecamp.rocks" target="_blank">https://survey-form.freecodecamp.rocks</a>
 
 **User Stories:**
 
diff --git a/curriculum/challenges/english/14-responsive-web-design-22/build-a-technical-documentation-page-project/build-a-technical-documentation-page.md b/curriculum/challenges/english/14-responsive-web-design-22/build-a-technical-documentation-page-project/build-a-technical-documentation-page.md
index 3f8bf2d7218..6c433375ba7 100644
--- a/curriculum/challenges/english/14-responsive-web-design-22/build-a-technical-documentation-page-project/build-a-technical-documentation-page.md
+++ b/curriculum/challenges/english/14-responsive-web-design-22/build-a-technical-documentation-page-project/build-a-technical-documentation-page.md
@@ -8,7 +8,7 @@ dashedName: build-a-technical-documentation-page
 
 # --description--
 
-**Objective:** Build an app that is functionally similar to <a href="https://codepen.io/freeCodeCamp/full/NdrKKL" target="_blank"><https://codepen.io/freeCodeCamp/full/NdrKKL></a>
+**Objective:** Build an app that is functionally similar to <a href="https://technical-documentation-page.freecodecamp.rocks" target="_blank">https://technical-documentation-page.freecodecamp.rocks</a>
 
 **User Stories:**
 
diff --git a/curriculum/challenges/english/14-responsive-web-design-22/build-a-tribute-page-project/build-a-tribute-page.md b/curriculum/challenges/english/14-responsive-web-design-22/build-a-tribute-page-project/build-a-tribute-page.md
index 17ce68e00ec..231292b4373 100644
--- a/curriculum/challenges/english/14-responsive-web-design-22/build-a-tribute-page-project/build-a-tribute-page.md
+++ b/curriculum/challenges/english/14-responsive-web-design-22/build-a-tribute-page-project/build-a-tribute-page.md
@@ -8,7 +8,7 @@ dashedName: build-a-tribute-page
 
 # --description--
 
-**Objective:** Build an app that is functionally similar to <a href="https://codepen.io/freeCodeCamp/full/zNqgVx" target="_blank"><https://codepen.io/freeCodeCamp/full/zNqgVx></a>
+**Objective:** Build an app that is functionally similar to <a href="https://tribute-page.freecodecamp.rocks" target="_blank">https://tribute-page.freecodecamp.rocks</a>
 
 **User Stories:**